tranquility

Nouns

(n) a disposition free from stress or emotion serenity, placidity, repose, tranquillity, quiet,
(n) an untroubled state; free from disturbances tranquillity, quiet,
(n) a state of peace and quiet quietude, quietness, tranquillity,

Synonyms

serenity placidity repose tranquillity quiet quietude quietness

Words of close approximity

tranquilize