tranquillizing

tran·quil·ize

also tran·quil·lize (trăng′kwə-līz′, trăn′-)

v. tran·quil·ized, tran·quil·iz·ing, tran·quil·iz·es also tran·quil·lized or tran·quil·liz·ing or tran·quil·liz·es

v.tr.

1. To make tranquil; pacify: "Nothing contributes so much to tranquilize the mind as a steady purpose" (Mary Shelley).

2. To sedate or relieve of anxiety or tension by the administration of a drug.

v.intr.

1. To become tranquil; relax.

2. To have a calming or soothing effect.

tran′quil·i·za′tion (-kwə-lĭ-zā′shən) n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Adj.

tranquillizing - tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed"

ataractic, ataraxic, sedative, tranquilising, tranquilizing, tranquillising

depressant - capable of depressing physiological or psychological activity or response by a chemical agent

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References in classic literature ?

But the tranquillizing influence of beautiful scenery, and the exhibition of human life under so novel and charming an aspect were not my only sources of consolation.

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A hearty supper, a tranquillizing pipe, and a sound night's sleep, put them all in better mood, and in the morning they held a consultation as to their future movements.