Tranquilize Definition

trăngkwə-līz, trăn-
tranquilized, tranquilizes, tranquilizing, tranquillizes
tranquilized, tranquilizes, tranquilizing
To make tranquil; pacify.
American Heritage
To sedate or relieve of anxiety or tension by the administration of a drug.
American Heritage Medicine
To make or become tranquil; specif., to calm by the use of a tranquilizer.
Webster's New World
To have a calming or soothing effect.
American Heritage
(intransitive) To calm down.