authorities(n = noun.group) government, regime - the organization that is the governing authority of a political unit; "the government reduced taxes"; "the matter was referred to higher authorities"
is a kind of polity
has parts: administration, brass, establishment, governance, governing body, organisation, organization, judicatory, judicature, judicial system, judiciary
has particulars: authoritarian regime, authoritarian state, bureaucracy, ancien regime, court, royal court, downing street, empire, federal government, government-in-exile, local government, military government, stratocracy, palace, papacy, pontificate, pupet regime, puppet government, puppet state, state, state government, totalitarian state, totalitation regime

   the organization that is the governing authority of a political unit. [WordNet 1.5]