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