70 entries under serenity topic. ×

6
noiselessness(noun, calm, quiet, peace, silence)
5
coolness(noun, calm, peace, calmness, composure)
5
equanimity(noun, calm, calmness, composure, detachment)
5
imperturbability(noun, calm, calmness, composure, detachment)
5
poise(noun, calm, calmness, composure, detachment)
4
aplomb(noun, calm, calmness, composure)
4
control(noun, calm, equanimity, self-possession)
4
cool(noun, calm, calmness, composure)
4
gentleness
4
imperturbation(noun, calm, quiet, rest, peace)
4
restraint(noun, calm, quiet, rest, peace)
4
self-possession(noun, calm, calmness, composure, detachment)
3
tranquility(noun, calm, quiet, rest, peace)
3
dispassion(noun, calm, quiet, rest, peace)
3
equilibrium(noun, calm, equanimity, self-possession)
3
patience(noun, calm, quiet, rest, peace)
3
sang-froid(noun, calm, equanimity, self-possession)
3
self-control(noun, calm, calmness, composure)
3
untroubledness(noun, calm, quiet, calmness)
2
assurance(noun, calm, calmness, composure)
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APASmart Define. (2016). tranquillity thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/tranquillity/thesaurus/synonyms
ChicagoSmart Define. 2016. "tranquillity thesaurus" https://smartdefine.org/tranquillity/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, tranquillity thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/tranquillity/thesaurus/synonyms>.
MLASmart Define. "tranquillity thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/tranquillity/thesaurus/synonyms>