21
calm(adjective, quiet, cool, reasonable, firm)
21
cool(adjective, calm, quiet, reasonable, firm)
21
serene(adjective, calm, quiet, cool, moderate)
20
composed(adjective, calm, quiet, cool, reasonable)
18
confident(adjective, calm, quiet, happy, attitude)
18
tranquil(adjective, calm, quiet, cool, mild)
16
imperturbable(adjective, calm, quiet, cool, moderate)
14
collected(adjective, calm, quiet, cool, reasonable)
14
unruffled(adjective, calm, quiet, cool, moderate)
13
peaceful(adjective, calm, state, characteristic, quiet)
13
poised(adjective, calm, quiet, cool, moderate)
13
unflappable(adjective, calm, quiet, cool, reasonable)
12
placid(adjective, calm, quiet, cool, moderate)
10
controlled(adjective, calm, moderate, dry, temperate)
9
equanimous(adjective, calm, cool, steady, tranquil)
9
even-tempered(adjective, calm, reasonable, sensible, mild)
9
self-confident(adjective, attitude, belief, certain, sure)
9
undisturbed(adjective, calm, quiet, cool, moderate)
9
unperturbed(adjective, calm, sound, sensible, composed)
8
patient(adjective, calm, quiet, cool, moderate)
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APASmart Define. (2015). self-possessed thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/self-possessed/thesaurus/synonyms
ChicagoSmart Define. 2015. "self-possessed thesaurus" https://smartdefine.org/self-possessed/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, self-possessed thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/self-possessed/thesaurus/synonyms>.
MLASmart Define. "self-possessed thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/self-possessed/thesaurus/synonyms>