tranquilize

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.

To render tranquil or quiet; allay when agitated; compose; make calm or peaceful.

Synonyms To quiet, still, soothe, calm, lull, hush.

To become tranquil; also, to exert a quieting or calming effect.

Also spelled tranquilise, tranquillise.

To render tranquil; to allay when agitated; to compose; to make calm and peaceful

To use a drug to sedate a person or animal.