Tran·quil·ize, Tran·quil·lize  v. t. [imp. & p. p. Tranquilized or Tranquilliized; p. pr. & vb. n. Tranquilizing or Tranquillizing.]  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.
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 Tran·quil·i·zing, Tran·quil·li·zing  a. Making tranquil; calming. “ The tranquilizing power of time.” --Wordsworth. -- Tran*quil*i*zing*ly or Tran*quil*li*zing*ly, adv.
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