86 entries under calm topic. ×

14
cool(adjective, quiet, reasonable, moderate)
13
composed(adjective, close, quiet, reasonable)
12
serene(adjective, close, quiet, gentle)
10
placid(adjective, close, quiet, gentle)
10
tranquil(adjective, quiet, relaxed, casual)
9
controlled(adjective, close, quiet, reasonable)
8
collected(adjective, close, quiet, reasonable)
8
dispassionate(adjective, quiet, cool, reasonable)
8
self-possessed(adjective, quiet, relaxed, casual)
7
unruffled(adjective, quiet, relaxed, casual)
6
aloof(adjective, close, quiet, cool)
6
imperturbable(adjective, quiet, cool, relaxed)
6
level-headed(adjective, casual, unruffled, nonchalant)
6
mild(adjective, close, quiet, reasonable)
6
quiet(adjective, close, reasonable, gentle)
6
restrained(adjective, quiet, reasonable, gentle)
6
unflappable(adjective, quiet, cool, relaxed)
5
phlegmatic(adjective, quiet, cool, relaxed)
5
sober(adjective, cool, reasonable, moderate)
5
stoical(adjective, cool, tolerant, enduring)
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APASmart Define. (2015). self-controlled thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/self-controlled/thesaurus/synonyms
ChicagoSmart Define. 2015. "self-controlled thesaurus" https://smartdefine.org/self-controlled/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, self-controlled thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/self-controlled/thesaurus/synonyms>.
MLASmart Define. "self-controlled thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/self-controlled/thesaurus/synonyms>