5
lull(noun, calm, quiet, rest, peace)
5
self-control(noun, calm, poise, calmness, composure)
5
silence(noun, calm, quiet, rest, restraint)
4
aplomb(noun, calm, poise, calmness, composure)
4
dispassion(noun, calm, quiet, rest, restraint)
4
hush(noun, calm, control, order, quiet)
4
nonchalance(noun, calm, poise, calmness, dignity)
4
quietness(noun, calm, control, order, quiet)
4
sang-froid(noun, calm, poise, calmness, dignity)
4
self-possession(noun, calm, poise, calmness, composure)
3
ease(noun, calm, poise, calmness, dignity)
3
poise(noun, calm, calmness, composure, dignity)
3
restfulness(noun, control, order, calmness, serenity)
3
restraint(noun, calm, quiet, rest, peace)
3
still(noun, quiet, silence, calmness, serenity)
3
untroubledness(noun, calm, quiet, calmness, serenity)
2
apathy(noun, unexcitability)
2
ataraxy(calmness, composure, coolness, levelheadedness, level-headedness)
2
collectedness(noun, calm, poise, calmness, dignity)
2
composedness(noun, unexcitability)
11 years ago|5.6k views|share |citing 
APASmart Define. (2015). placidity thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/placidity/thesaurus/synonyms
ChicagoSmart Define. 2015. "placidity thesaurus" https://smartdefine.org/placidity/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, placidity thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/placidity/thesaurus/synonyms>.
MLASmart Define. "placidity thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/placidity/thesaurus/synonyms>