Synonyms of placidness

1 Syllable
rest, hush, quiet, lull
2 Syllables
stoicism, restraint, quietness, stillness, doldrums, peace, calmness
3 Syllables
silence, dispassion, repose, quietude, patience
4 Syllables
serenity, peacefulness, tranquility, tranquillity, placidity
5 Syllables
impassivity, imperturbation