Without movement; motionlessly:
To bring into a specified condition by soothing and reassuring
(Intransitive) To calm down.
To calm means to soothe and pacify someone to make him free of stress, or to become free of stress yourself.
To stop making noise; be or become quiet or silent
To cause to be silent; still; quiet
Find another word for quietens. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for quietens, like: stills, lulls, tranquillizes, tranquilizes, quiets, calms, hushes and silences.