serenity Synonyms

peace tranquility tranquillity sereneness peacefulness quiet placidity repose relaxation peace of mind equanimity stillness well-being heartsease harmony calm inner peace contentment composure rest calmness restfulness quietness silence satisfaction impassiveness stability tranquilness tranquilly self-command self-control self-possession still niceness shiloh solace contentedness sangfroid mutedness presence of mind soothingness untroubledness unflappability unruffledness wellness mutual harmony centeredness self-realization ataraxis noiselessness