124 entries under reasonable topic. ×

26
calm(adjective, quiet, cool, soft)
23
cool(adjective, calm, quiet, moderate)
18
composed(verb, adjective, quiet, gentle)
17
restrained(verb, adjective, calm, quiet)
15
disciplined(verb, adjective, calm, quiet, soft)
14
tranquil(adjective, calm, quiet, cool, soft)
9
moderate(adjective, calm, sensible, restrained)
9
reserved(adjective, calm, soft, moderate)
8
self-controlled(adjective, calm, close, quiet)
8
collected(adjective, quiet, gentle, restrained)
8
sober(adjective, quiet, moderate, gentle)
8
steady(adjective, calm, quiet, soft)
7
temperate(adjective, calm, quiet, soft)
6
even-tempered(adjective, restrained, self-controlled, unexcitable)
6
regulated(verb, adjective, restrained, limited)
6
self-restrained(adjective, quiet, gentle, restraint)
5
balanced(verb, adjective, calm, soft)
5
dispassionate(adjective, calm, soft, moderate)
5
conservative(adjective, calm, quiet, soft)
5
curbed(noun, verb, restrained, limited)
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APASmart Define. (2015). controlled thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/controlled/thesaurus/synonyms
ChicagoSmart Define. 2015. "controlled thesaurus" https://smartdefine.org/controlled/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, controlled thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/controlled/thesaurus/synonyms>.
MLASmart Define. "controlled thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/controlled/thesaurus/synonyms>