6
inactivity(noun, stop, calm, break, quiet)
6
noiselessness(noun, calm, quiet, peace, silence)
6
restfulness(noun, rest, inactivity, sleep)
5
relaxation(noun, stop, calm, break, quiet)
5
comfort(noun, stop, calm, break, quiet)
5
coolness(noun, calm, peace, calmness, composure)
5
equanimity(noun, calm, calmness, composure, detachment)
5
imperturbability(noun, calm, calmness, composure, detachment)
5
nirvana(noun, heaven, enlightenment)
5
order
5
poise(noun, calm, calmness, composure, detachment)
5
soundlessness(noun, calm, quiet, peace, silence)
4
aplomb(noun, calm, calmness, composure, serenity)
4
content
4
control(noun, calm, serenity, equanimity, self-possession)
4
cool(noun, calm, calmness, composure, serenity)
4
gentleness(calmness, serenity)
4
imperturbation(noun, calm, quiet, rest, peace)
4
quiescence(noun, stop, calm, break, quiet)
4
restraint(noun, calm, quiet, rest, peace)
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APASmart Define. (2016). tranquillity thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/tranquillity/thesaurus/synonyms
ChicagoSmart Define. 2016. "tranquillity thesaurus" https://smartdefine.org/tranquillity/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, tranquillity thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/tranquillity/thesaurus/synonyms>.
MLASmart Define. "tranquillity thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/tranquillity/thesaurus/synonyms>