230 entries under reasonable topic. ×

11
thoughtful(adjective, good, dull, quiet, sound)
10
dispassionate(adjective, calm, dull, cool)
9
down-to-earth(adjective, calm, dull, hard, sound)
9
practical(adjective, calm, dull, hard, sound)
8
conservative(adjective, moderate, sensible, deliberate)
8
continent(adjective, pure, restraint, restrained)
8
level-headed(adjective, sound, tough, sharp)
8
ruminative(adjective, rational, thoughtful, thinking)
8
solid(adjective, firm, sensible, fair)
7
logical(adjective, good, sound, sensible)
7
matter-of-fact(adjective, calm, hard, cool, sound)
7
measured(adjective, calm, quiet, soft)
7
pragmatic(adjective, hard, sound, tough)
7
reserved(adjective, calm, dull, cool, soft)
6
even-tempered(adjective, calm, pleasant, easy)
6
hard(adjective, sound, tough, severe)
6
levelheaded(adjective, calm, good, dull, hard)
6
mild(adjective, calm, quiet, moderate)
6
neutral(adjective, calm, quiet, colour)
6
soft(adjective, calm, dull, quiet)
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APASmart Define. (2015). sober thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sober/thesaurus/synonyms
ChicagoSmart Define. 2015. "sober thesaurus" https://smartdefine.org/sober/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sober thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sober/thesaurus/synonyms>.
MLASmart Define. "sober thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sober/thesaurus/synonyms>