Tranquilize

[американский вариант английского языка]; смотри значение tranquillize

Большой англо-русский словарь

Tranquilize

also tranquillize verb (-ized; also -lized; -izing; also -lizing) transitive verb to make tranquil or calm; pacify; especially to relieve of mental tension and anxiety by means of drugs intransitive verb 1. to become tranquil; relax 1 2. to make one tranquil

Merriam-Webster's Collegiate Dictionary