1.  peace(n = noun.state) - the state prevailing during the absence of war;
is a kind of order
has particulars: amity, armistice, cease-fire, truce, conciliation, collective security, pax romana
Antonym: war
Derived form verb pacify₂

2.  peace(n = noun.state) - harmonious relations; freedom from disputes; "the roommates lived in peace together"
is a kind of concord, concordance, harmony
Derived form verb pacify₁

3.  peace(n = noun.feeling) ataraxis, heartsease, peace of mind, peacefulness, repose, serenity - the absence of mental stress or anxiety;
is a kind of quietness, quietude, tranquility, tranquillity
Derived form verb pacify₁

4.  peace(n = noun.state) public security - the general security of public places; "he was arrested for disturbing the peace"
is a kind of security
Derived form verb pacify₂

5.  peace(n = noun.communication) pacification, peace treaty - a treaty to cease hostilities; "peace came on November 11th"
is a kind of accord, pact, treaty
has particulars: peace of westphalia, treaty of versailles
Derived form verb pacify₂

   A state of quiet or tranquillity; freedom from disturbance or agitation; calm; repose Chaucer. [1913 Webster]
" Peace is sometimes used as an exclamation in commanding silence, quiet, or order. “Peace! foolish woman.”" Shak. [1913 Webster]

   To make or become quiet; to be silent; to stop. Shak. [1913 Webster]
"When the thunder would not peace at my bidding." [1913 Webster]

peace, n.
1 a quiet; tranquillity (needs peace to work well). b mental calm; serenity (peace of mind).
2 a (often attrib.) freedom from or the cessation of war (peace talks). b (esp. Peace) a treaty of peace between two States etc. at war.
3 freedom from civil disorder.
4 Eccl. a ritual liturgical greeting.

Idiom:
at peace
1 in a state of friendliness.
2 serene.
3 euphem. dead. hold one's peace keep silence. keep the peace prevent, or refrain from, strife. make one's peace (often foll. by with) re-establish friendly relations. make peace bring about peace; reconcile. the peace (or the queen's peace) peace existing within a realm; civil order. Peace Corps US an organization sending young people to work as volunteers in developing countries.
peace-offering
1 a propitiatory or conciliatory gift.
2 Bibl. an offering presented as a thanksgiving to God. peace-pipe a tobacco-pipe as a token of peace among US Indians.

Etymology:
ME f. AF pes, OF pais f. L pax pacis

N  concord, accord, harmony, symphony, homologue, agreement, sympathy, empathy, response, union, unison, unity, bonds of harmony, peace, unanimity, league, happy family, rapprochement, reunion, amity, alliance, entente cordiale, good understanding, conciliation, peacemaker, intercessor, mediator, concordant, congenial, agreeing, in accord, harmonious, united, cemented, banded together, allied, friendly, fraternal, conciliatory, at one with, of one mind, at peace, in still water, tranquil, with one voice, in concert with, hand in hand, on one's side, commune periculum concordiam parit, melody concord, melody, rhythm, measure, rhyme, pitch, timbre, intonation, tone, scale, gamut, diapason, diatonic chromatic scale, enharmonic scale, key, clef, chords, modulation, temperament, syncope, syncopation, preparation, suspension, resolution, staff, stave, line, space, brace, bar, rest, appoggiato, appoggiatura, acciaccatura, note, musical note, notes of a scale, sharp, flat, natural, high note, low note, interval, semitone, second, third, fourth, diatessaron, breve, semibreve, minim, crotchet, quaver, semiquaver, demisemiquaver, hemidemisemiquaver, sustained note, drone, burden, tonic, key note, leading note, fundamental note, supertonic, mediant, dominant, submediant, subdominant, octave, tetrachord, major key, minor key, major scale, minor scale, major mode, minor mode, passage, phrase, concord, harmony, emmeleia, unison, unisonance, chime, homophony, euphony, euphonism, tonality, consonance, consent, part, harmony, harmonics, thorough-bass, fundamental-bass, counterpoint, faburden, piece of music, composer, harmonist, contrapuntist (musician), harmonious, harmonical, in concord, in tune, in concert, unisonant, concentual, symphonizing, isotonic, homophonous, assonant, ariose, consonant, measured, rhythmical, diatonic, chromatic, enharmonic, melodious, musical, melic, tuneful, tunable, sweet, dulcet, canorous, mellow, mellifluous, soft, clear, clear as a bell, silvery, euphonious, euphonic, euphonical, symphonious, enchanting fine-toned, full-toned, silver-toned, harmoniously, in harmony, as one, the hidden soul of harmony.

N  peace, amity, harmony, tranquility, calm, truce, peace treaty, accord, peace pipe, pipe of peace, calumet of peace, piping time of peace, quiet life, neutrality, dove of peace, white dove, dove, pax Romana, Pax Americana, pacific, peaceable, peaceful, calm, tranquil, untroubled, halcyon, bloodless, neutral, dovish, the storm blown over, the lion lies down with the lamb, all quiet on the Potomac, paritur pax bello, peace hath her victories no less renowned than war, they make a desert and they call it peace.

N  friendship, amity, friendliness, brotherhood, fraternity, sodality, confraternity, harmony, peace, firm friendship, staunch friendship, intimate friendship, familiar friendship, bosom friendship, cordial friendship, tried friendship, devoted friendship, lasting friendship, fast friendship, sincere friendship, warm friendship, ardent friendship, cordiality, fraternization, entente cordiale, good understanding, rapprochement, sympathy, fellow-feeling, response, welcomeness, affection, favoritism, good will, acquaintance, familiarity, intimacy, intercourse, fellowship, knowledge of, introduction, friendly, amicable, amical, well-affected, unhostile, neighborly, brotherly, fraternal, sympathetic, harmonious, hearty, cordial, warm- hearted, friends with, well with, at home with, hand in hand with, on good terms, on friendly terms, on amicable terms, on cordial terms, on familiar terms, on intimate terms, on good footing, on speaking terms, on visiting terms, in one's good graces, in one's good books, acquainted, familiar, intimate, thick, hand and glove, hail fellow well met, free and easy, welcome, amicably, with open arms, sans ceremonie, arm in arm, amicitia semper prodest, a mystic bond of brotherhood makes all men one, friendship is love without either flowers or veil, trulgus amicitias utilitate probat.

N  quiescence, rest, stillness, quiescence, stagnation, stagnancy, fixity, immobility, catalepsy, indisturbance, quietism, quiet, tranquility, calm, repose, peace, dead calm, anticyclone, statue-like repose, silence, not a breath of air, not a mouse stirring, sleep, pause, lull, stand still, standing still, lock, dead lock, dead stop, dead stand, full stop, fix, embargo, resting place, gite, bivouac, home, pillow, haven, goal, quiescent, still, motionless, moveless, fixed, stationary, immotile, at rest at a stand, at a standstill, at anchor, stock, still, standing still, sedentary, untraveled, stay-at-home, becalmed, stagnant, quiet, unmoved, undisturbed, unruffled, calm, restful, cataleptic, immovable, sleeping, silent, still as a statue, still as a post, still as a mouse, still as death, vegetative, vegetating, at a stand, tout court, at the halt, Int, stop!, stay!, avast!, halt!, hold hard!, whoa!, hold!, sabr karo!, requiescat in pace, Deus nobis haec otia fecit, the noonday quiet holds the hill.

N  silence, stillness, peace, hush, lull, muteness, solemn silence, awful silence, dead silence, deathlike silence, silent, still, stilly, noiseless, soundless, hushed, mute, soft, solemn, awful, deathlike, silent as the grave, inaudible, silently, sub silentio, Int, hush!, silence!, soft!, whist!, tush!, chut!, tut!, pax!, be quiet!, be silent!, be still!, shut up!, chup!, chup rao!, tace!, one might hear a feather drop, one might hear a pin drop, so quiet you could hear a pin drop, grosse Seelen dulden still, le silence est la vertu de ceux qui ne sont pas sa, le silence est le parti le plus sar de celui se d_, silence more musical than any song, tacent satis laudant, better to be silent and thought a fool than to spe.

at peace, breach of the peace, disturbance of the peace, justice of the peace, keep the peace, kiss of peace, make peace, peace advocacy, peace corps, peace garden state, peace initiative, peace lily, peace march, peace of mind, peace of westphalia, peace offering, peace officer, peace pipe, peace process, peace treaty, pipe of peace