verb transitive, verb intransitiveWord forms: ˈtranquilˌized or ˈtranquilˌlized, ˈtranquilˌizing or ˈtranquilˌlizing
to make or become tranquil
; specif., to calm
by the use of a tranquilizer
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Derived forms tranquilization (ˌtranquiliˈzation)
noun or ˌtranquilliˈzation