Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class V. Words Releasing to the Voluntary Powers
Division (I) Individual Volition
Section IV. Antagonism
2. Active Antagonism

723. Pacification.

   NOUN:PACIFICATION, conciliation; reconciliation, reconcilement, shaking of hands, calumet, peace pipe; accommodation, arrangement, adjustment; terms, compromise; amnesty, deed of release.
  PEACE OFFERING; olive branch; calumet, – of peace; overture, preliminaries of peace.
  TRUCE, armistice; suspension of -arms, – hostilities; truce of God; breathing time; convention; modus vivendi [L.]; flag of truce, white flag, parlementaire [F.], cartel.
  hollow truce, pax in bello [L.]; drawn battle.
   VERB:PACIFY, tranquillize, compose; allay (moderate) [See Moderation]; reconcile, propitiate, placate, conciliate, meet halfway, hold out the olive branch, heal the breach, make peace, restore harmony, bring to terms.
  MAKE UP A QUARREL; settle -, arrange -, accommodate- -matters, – differences; set straight; tantas componere lites [L.]; come to -an understanding, – terms; bridge over, hush up; make it up, make matters up; shake hands; mend one’s fences [U. S.].
  raise a siege; put up -, sheathe- the sword; bury the hatchet, lay down one’s arms, turn swords into plowshares; smoke the calumet, close the temple of Janus; keep the peace (concord) [See Concord]; be pacified &c.; come round.
   ADJECTIVE:CONCILIATORY, pacificatory; composing &c. v.; pacified &c. v.; accommodative.
  1. Requiescat in pace.
  2. To see great Hector in his weeds of peace.—Troilus and Cressida
  3. Health, peace, and many a bloodless year To fight his battles o’er.—Holmes