61 entries under reasonable topic. ×

2
restrained(adjective, self-controlled, resigned, stoical)
2
sensible(adjective, calm, sound, moderate)
2
unimpassioned(adjective, pleasant, moderate, mild)
1
agreeable(adjective, calm, quiet, kind, smooth)
1
balanced(adjective, calm, sound, sensible)
1
balmy(adjective, calm, quiet, moderate)
1
constant(adjective, calm, smooth, moderate)
1
cool as cucumber(expression, adjective, idiom, calm)
1
coolheaded(adjective, calm, cool, sound)
1
dependable(adjective, calm, sound, sensible)
1
discreet(adjective, calm, sound, moderate)
1
judicious(calm, sound, sensible, rational)
1
measured(adjective, calm, quiet, moderate)
1
sane(adjective, calm, sound, sensible)
0
abstemious(restrained, self-controlled)
0
abstentious(restrained, self-controlled)
0
abstinent(restrained, self-controlled)
0
all there(expression, calm, sound, sensible)
0
checked(adjective, pleasant, moderate, mild)
0
clement(adjective, pleasant, moderate, mild)
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APASmart Define. (2015). even-tempered thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/even-tempered/thesaurus/synonyms
ChicagoSmart Define. 2015. "even-tempered thesaurus" https://smartdefine.org/even-tempered/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, even-tempered thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/even-tempered/thesaurus/synonyms>.
MLASmart Define. "even-tempered thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/even-tempered/thesaurus/synonyms>