placidity Synonyms

serenity composure quiet placidness tranquillity repose tranquility peacefulness cosiness still silence untroubledness lull serenitude unflappability sereneness self-composedness self-possession self-command sang-froid stillness restfulness tranquilness noiselessness imperturbability peaceableness peace of mind ataraxis contentedness sangfroid composedness presence of mind sedateness well-being impassiveness rest quietude docility dispassion coolness cool contentment content aplomb comfort collectedness calmness calm ataraxy ataraxia