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
Related formstran·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

Examples from the Web for tranquillize

British Dictionary definitions for tranquillize

tranquillize

tranquillise or US tranquilize

/ (ˈtræŋkwɪˌlaɪz) /

verb

to make or become calm or calmer
Derived Formstranquillization, tranquillisation or US tranquilization, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tranquillize

tranquilize


v.

1620s, from tranquil + -ize. Related: Tranquilized; tranquilizing.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for tranquillize

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.
Related formstran′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.