To cause someone to become quiet.
To make calm or sleepy
(Intransitive) To become calm.
To have a calming or soothing effect.
To cause to sleep or rest; soothe or calm:
In addition; besides:
Find another word for tranquillise. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for tranquillise, like: calm down, quiet, sedate, calm, tranquilize, tranquillize, quieten, lull, still, stimulate and sedative.