Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun quietness

2 senses of quietness

Sense 1
quietness, soundlessness -- (the property of making no sound)
       => silence, quiet -- (the absence of sound; "he needed silence in order to sleep"; "the street was quiet")

Sense 2
tranquillity, tranquility, quietness, quietude -- (a state of peace and quiet)
       => calmness -- (a feeling of calm; an absence of agitation or excitement)