1
ataraxia(noun, calm, control, order, calmness)
1
backbone(noun, restraint, capacity, fortitude, composure)
1
bearing(noun, restraint, capacity, fortitude, composure)
1
capacity(noun, restraint, fortitude, composure, stamina)
1
composedness
1
contemplation
1
contentment(noun, calm, poise, calmness, dignity)
1
cool head(noun, expression, calm, poise, calmness)
1
coolheadedness(noun, calm, poise, calmness, dignity)
1
coolth(noun, excitability)
1
detachment(noun, calmness, composure, self-possession, coolness)
1
dignity(noun, calm, poise, calmness, serenity)
1
diligence(noun, restraint, capacity, fortitude, composure)
1
distance(noun, detachment, level-headedness)
1
ease(noun, calm, poise, calmness, dignity)
1
evenness(noun, calm, poise, calmness, dignity)
1
fortitude(noun, calm, restraint, capacity, poise)
1
frigidity
1
grit(noun, restraint, capacity, fortitude, composure)
1
guts(noun, restraint, capacity, fortitude, composure)
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APASmart Define. (2015). imperturbability thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/imperturbability/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperturbability thesaurus" https://smartdefine.org/imperturbability/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, imperturbability thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/imperturbability/thesaurus/synonyms>.
MLASmart Define. "imperturbability thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/imperturbability/thesaurus/synonyms>