ROGET THESAURUS
keep the peace
Concord
VB
agree, accord, harmonize with, fraternize, be concordant, go hand in hand, run parallel, understand one another, pull together, put up one's horses together, sing in chorus, side with, sympathize with, go with, chime in with, fall in with, come round, be pacified, assent, empathize with, enter into the ideas of, enter into the feelings of, reciprocate, hurler avec les loups, go with the stream, swim with the stream, keep in good humor, render accordant, put in tune, come to an understanding, meet halfway,
keep the peace, remain at peace, be harmonious, harmonize, chime, symphonize, transpose, put in tune, tune, accord, string.
Peace
VB
be at peace,
keep the peace, make peace.
Pacification
VB
pacify, tranquilize, compose, allay, reconcile, propitiate, placate, conciliate, meet halfway, hold out the olive branch, heal the breach, make peace, restore harmony, bring to terms, settle matters, arrange matters, accommodate matters, accommodate differences, set straight, make up a quarrel, tantas componere lites, come to an understanding, come to terms, bridge over, hush up, make it, make matters up, shake hands, mend one's fences, raise a siege, lift a siege, put up the sword, sheathe the sword, bury the hatchet, lay down one's arms, turn swords into plowshares, smoke the calumet of peace, close the temple of Janus,
keep the peace, be pacified, come round.
Moderation
VB
be moderate, keep within bounds, keep within compass, sober down, settle down,
keep the peace, remit, relent, take in sail, moderate, soften, mitigate, temper, accoy, attemper, contemper, mollify, lenify, dulcify, dull, take off the edge, blunt, obtund, sheathe, subdue, chasten, sober down, tone down, smooth down, weaken, lessen, check palliate, tranquilize, pacify, assuage, appease, swag, lull, soothe, compose, still, calm, calm down, cool, quiet, hush, quell, sober, pacify, tame, damp, lay, allay, rebate, slacken, smooth, alleviate, rock to sleep, deaden, smooth, throw cold water on, throw a wet blanket over, turn off, slake, curb, tame, smooth over, pour oil on the waves, pour oil on the troubled waters, pour balm into, mattre de l'eau dans son vin, go out like a lamb, roar you as gently as any sucking dove.