1.  commonwealth(n = noun.location) - the official name of some states in the United States (Massachusetts and Pennsylvania and Virginia and Kentucky) and associated territories (Puerto Rico);
is a kind of province, state
has particulars: commonwealth of puerto rico, porto rico, pr, puerto rico

2.  commonwealth(n = noun.group) body politic, country, land, nation, res publica, state - a politically organized body of people under a single government; "the state has elected a new president"; "African nations"; "students who had come to the nation's capitol"; "the country's largest manufacturer"; "an industrialized land"
is a kind of political entity, political unit
has parts: estate, estate of the realm, the three estates
has particulars: commonwealth country, developing country, dominion, foreign country, reich, renegade state, rogue nation, rogue state, suzerain, sea power, great power, major power, power, superpower, world power, city-state, city state, ally, eelam, tamil eelam

3.  commonwealth(n = noun.group) - a world organization of autonomous states that are united in allegiance to a central power but are not subordinate to it or to one another;
is a kind of global organization, international organisation, international organization, world organisation, world organization
has particulars: british commonwealth, commonwealth of nations

4.  commonwealth(n = noun.group) democracy, republic - a political system in which the supreme power lies in a body of citizens who can elect people to represent them;
is a kind of form of government, political system
has particulars: weimar republic, parliamentary democracy

1.  A state; a body politic consisting of a certain number of men, united, by compact or tacit agreement, under one form of government and system of laws. [1913 Webster]
" This term is applied to governments which are considered as free or popular, but rarely, or improperly, to an absolute government. The word signifies, strictly, the common well-being or happiness; and hence, a form of government in which the general welfare is regarded rather than the welfare of any class." [1913 Webster]
"The trappings of a monarchy would set up an ordinary commonwealth." [1913 Webster]

2.  The whole body of people in a state; the public. [1913 Webster]

3.  Specifically, the form of government established on the death of Charles I., in 1649, which existed under Oliver Cromwell and his son Richard, ending with the abdication of the latter in 1659.

commonwealth, n.
1 a an independent State or community, esp. a democratic republic. b such a community or organization of shared interests in a non-political field (the commonwealth of learning).
2 (the Commonwealth) a (in full the British Commonwealth of Nations) an international association consisting of the UK together with States that were previously part of the British Empire. b the republican period of government in Britain 1649-60. c US a part of the title of some of the States of the US. d the title of the federated Australian States.

Idiom:
Commonwealth Day a day each year commemorating the British Commonwealth (formerly called Empire Day).

Etymology:
COMMON + WEALTH

N  government, legal authority, soveriegn, sovereign authority, authority, master, direction, national government, nation, state, country, nation- state, dominion, republic, empire, union, democratic republic, kingdom, principality, state government, state, shire, province, county, canton, territory, duchy, archduchy, archdukedom, woiwodshaft, commonwealth, region, property, county, parish city, domain, tract, arrondissement, mofussil, commune, wappentake, hundred, riding, lathe, garth, soke, tithing, ward, precinct, bailiwick, command, empire, sway, rule, dominion, domination, sovereignty, supremacy, suzerainty, lordship, headship, chiefdom, seigniory, seigniority, rule, sway, command, control, administer, govern, lead, preside over, reign, possess the throne, be seated on the throne, occupy the throne, sway the scepter, wield the scepter, wear the crown, state, realm, body politic, posse comitatus, judicature, cabinet, seat of government, seat of authority, headquarters, accession, installation, politics, reign, regime, dynasty, directorship, dictatorship, protectorate, protectorship, caliphate, pashalic, electorate, presidency, presidentship, administration, proconsul, consulship, prefecture, seneschalship, magistrature, magistracy, monarchy, kinghood, kingship, royalty, regality, aristarchy, aristocracy, oligarchy, democracy, theocracy, demagogy, commonwealth, dominion, heteronomy, republic, republicanism, socialism, collectivism, mob law, mobocracy, ochlocracy, vox populi, imperium in imperio, bureaucracy, beadledom, bumbledom, stratocracy, military power, military government, junta, feodality, feudal system, feudalism, thearchy, theocracy, dinarchy, duarchy, triarchy, heterarchy, duumvirate, triumvirate, autocracy, autonomy, limited monarchy, constitutional government, constitutional monarchy, home rule, representative government, monocracy, pantisocracy, gynarchy, gynocracy, gynaeocracy, petticoat government, legislature, judiciary, administration, office of the president, office of the prime minister, cabinet, senate, house of representatives, parliament, council, courts, supreme court, state, interior, labor, health and human services, defense, education, agriculture, justice, commerce, treasury, Federal Bureau of Investigation, FBI, Central Intelligence Agency, CIA, National Institutes of Health, NIH, Postal Service, Post Office, Federal Aviation Administration, FAA, president, vice president, cabinet member, prime minister, minister, senator, representatative, president pro tem, speaker of the house, department head, section head, section chief, federal judge, justice, justice of the supreme court, chief justice, treasurer, secretary of the treasury, director of the FBI, governor, state cabinet member, state senator, assemblyman, assemblywoman, regal, sovereign, governing, royal, royalist, monarchical, kingly, imperial, imperiatorial, princely, feudal, aristocratic, autocratic, oligarchic, republican, dynastic, ruling, regnant, gubernatorial, imperious, authoritative, executive, administrative, clothed with authority, official, departmental, ex officio, imperative, peremptory, overruling, absolute, hegemonic, hegemonical, authorized, government, public, national, federal, his majesty's, her majesty's, state, county, city, N, a dog's obeyed in office, cada uno tiene su alguazil, le Roi le veut, regibus esse manus en nescio longas, regnant populi, the demigod Authority, the right divine of kings to govern wrong, uneasy lies the head that wears a crown, government, legal authority, soveriegn, sovereign authority, authority, master, direction, national government, nation, state, country, nation- state, dominion, republic, empire, union, democratic republic, kingdom, principality, state government, state, shire, province, county, canton, territory, duchy, archduchy, archdukedom, woiwodshaft, commonwealth, region, property, county, parish city, domain, tract, arrondissement, mofussil, commune, wappentake, hundred, riding, lathe, garth, soke, tithing, ward, precinct, bailiwick, command, empire, sway, rule, dominion, domination, sovereignty, supremacy, suzerainty, lordship, headship, chiefdom, seigniory, seigniority, rule, sway, command, control, administer, govern, lead, preside over, reign, possess the throne, be seated on the throne, occupy the throne, sway the scepter, wield the scepter, wear the crown, state, realm, body politic, posse comitatus, judicature, cabinet, seat of government, seat of authority, headquarters, accession, installation, politics, reign, regime, dynasty, directorship, dictatorship, protectorate, protectorship, caliphate, pashalic, electorate, presidency, presidentship, administration, proconsul, consulship, prefecture, seneschalship, magistrature, magistracy, monarchy, kinghood, kingship, royalty, regality, aristarchy, aristocracy, oligarchy, democracy, theocracy, demagogy, commonwealth, dominion, heteronomy, republic, republicanism, socialism, collectivism, mob law, mobocracy, ochlocracy, vox populi, imperium in imperio, bureaucracy, beadledom, bumbledom, stratocracy, military power, military government, junta, feodality, feudal system, feudalism, thearchy, theocracy, dinarchy, duarchy, triarchy, heterarchy, duumvirate, triumvirate, autocracy, autonomy, limited monarchy, constitutional government, constitutional monarchy, home rule, representative government, monocracy, pantisocracy, gynarchy, gynocracy, gynaeocracy, petticoat government, legislature, judiciary, administration, office of the president, office of the prime minister, cabinet, senate, house of representatives, parliament, council, courts, supreme court, state, interior, labor, health and human services, defense, education, agriculture, justice, commerce, treasury, Federal Bureau of Investigation, FBI, Central Intelligence Agency, CIA, National Institutes of Health, NIH, Postal Service, Post Office, Federal Aviation Administration, FAA, president, vice president, cabinet member, prime minister, minister, senator, representatative, president pro tem, speaker of the house, department head, section head, section chief, federal judge, justice, justice of the supreme court, chief justice, treasurer, secretary of the treasury, director of the FBI, governor, state cabinet member, state senator, assemblyman, assemblywoman, regal, sovereign, governing, royal, royalist, monarchical, kingly, imperial, imperiatorial, princely, feudal, aristocratic, autocratic, oligarchic, republican, dynastic, ruling, regnant, gubernatorial, imperious, authoritative, executive, administrative, clothed with authority, official, departmental, ex officio, imperative, peremptory, overruling, absolute, hegemonic, hegemonical, authorized, government, public, national, federal, his majesty's, her majesty's, state, county, city, N, a dog's obeyed in office, cada uno tiene su alguazil, le Roi le veut, regibus esse manus en nescio longas, regnant populi, the demigod Authority, the right divine of kings to govern wrong, uneasy lies the head that wears a crown.

N  man, mankind, human race, human species, human kind, human nature, humanity, mortality, flesh, generation, anthropology, anthropogeny, anthropography, anthroposophy, ethnology, ethnography, humanitarian, human being, person, personage, individual, creature, fellow creature, mortal, body, somebody, one, such a one, some one, soul, living soul, earthling, party, head, hand, dramatis personae, quidam, people, persons, folk, public, society, world, community, community at large, general public, nation, nationality, state, realm, commonweal, commonwealth, republic, body politic, million, population, tribe, clan (paternity), family (consanguinity), cosmopolite, lords of the creation, ourselves, human, mortal, personal, individual, national, civic, public, social, cosmopolitan, anthropoid, am I not a man and a brother?.

british commonwealth, commonwealth country, commonwealth day, commonwealth of australia, commonwealth of dominica, commonwealth of independent states, commonwealth of nations, commonwealth of puerto rico, commonwealth of the bahamas