serenity Synonyms

tranquility tranquillity peace peacefulness heartsease peace of mind sereneness placidity repose quiet self-possession tranquilness tranquilly rest satisfaction stillness still silence self-command nirvana well-being impassiveness unflappability soothingness restfulness presence of mind inner peace sangfroid self-realization easygoingness cosiness soundlessness noiselessness imperturbability rhythmicity motionlessness peaceableness ataraxis contentedness relaxation quietude quietness ease dispassion coziness coolness cool contentment content composure