tranquilize

or tran·quil·lize

[ trang-kwuh-lahyz ]
/ ˈtræŋ kwəˌlaɪz /

verb (used with or without object), tran·quil·ized, tran·quil·iz·ing.

to make or become tranquil.
Also especially British, tran·quil·lise.

Origin of tranquilize

First recorded in 1615–25; tranquil + -ize

OTHER WORDS FROM tranquilize

tran·quil·i·za·tion, nounun·tran·quil·ize, verb (used with object), un·tran·quil·ized, un·tran·quil·iz·ing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for tranquilization

tranquilize

v.

To make tranquil; pacify.
To sedate or relieve of anxiety or tension by the administration of a drug.
To become tranquil; relax.
To have a calming or soothing effect.

Other words from tranquilize

tran′quil•i•zation (-kwə-lĭ-zāshən) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.