{Tran″quil‐ize, Tran″quil‐lize } (?), v. t. [imp. & p. p.Tranquilized (?) or Tranquilliized; p. pr. & vb. n.Tranquilizing (?) or Tranquillizing.] [Cf. F. tranquilliser.] To render tranquil; to allay when agitated; to compose; to make calm and peaceful; as, to tranquilize a state disturbed by factions or civil commotions; to tranquilize the mind.
Syn. — To quiet; compose; still; soothe; appease; calm; pacify.