13
placidity(noun, calm, quiet, rest, calmness)
12
peace(noun, calm, calmness, quiet, rest)
11
tranquillity(noun, calm, quiet, rest, calmness)
10
calm(noun, calm, quiet, rest, peace)
10
serenity(noun, calm, quiet, rest, peace)
9
peacefulness(noun, calm, quiet, rest, calmness)
9
quiet(noun, calm, rest, peace, calmness)
8
calmness(noun, calm, quiet, rest, composure)
7
repose(noun, calm, quiet, rest, peace)
6
quietude(noun, calm, quiet, rest, calmness)
6
rest(noun, calm, quiet, peace, calmness)
6
stillness(noun, calm, quiet, rest, calmness)
4
composure(noun, calmness, equanimity)
4
inactivity(noun, quiet, calmness, serenity, tranquillity)
4
quietness(noun, calm, quiet, peace, calmness)
3
tranquility(noun, calm, quiet, rest, peace)
2
equanimity(noun, calmness, composure)
2
hush(noun, calm, quiet, rest, calmness)
2
mildness(noun, calmness, serenity, tranquillity)
2
nirvana
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APASmart Define. (2015). placidness thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/placidness/thesaurus/synonyms
ChicagoSmart Define. 2015. "placidness thesaurus" https://smartdefine.org/placidness/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, placidness thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/placidness/thesaurus/synonyms>.
MLASmart Define. "placidness thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/placidness/thesaurus/synonyms>