tranquility n 1: a disposition free from stress or emotion [syn: {repose}, {quiet}, {placidity}, {serenity}, {tranquillity}, {tranquility}] 2: an untroubled state; free from disturbances [syn: {tranquillity}, {tranquility}, {quiet}] 3: a state of peace and quiet [syn: {tranquillity}, {tranquility}, {quietness}, {quietude}]