peace of mind Synonyms

repose peacefulness serenity ataraxis heartsease requiescence tranquil supinity stillness serenitude self-satisfaction self-possession security satisfaction sang-froid rest tranquillity unrestraint feeling of safety absence of worry soothingness restfulness inner peace coolheadedness imperturbability euphoria contentedness tranquility sedateness well-being reconcilement reassurance quietude cool contentment content confidence composure comfort collectedness certainty calmness calm bliss ataraxia assurance ease equableness equanimity quietness