Synonyms of tranquillity

1 Syllable
rest, hush, calm, still, quiet, lull
2 Syllables
quietness, peace, calmness
3 Syllables
inaction, placidness, repose, quietude
4 Syllables
ataraxy, serenity, noiselessness, tranquility, peacefulness, untroubledness, placidity, motionlessness, somnolence
5 Syllables
equanimity, inactivity, equanimities