506 entries under adjective topic. ×

4
keen(understanding, reasonable, sharp, smart)
4
likely(reasonable, solid, realistic, satisfying)
4
objective(hard, sound, reasonable, honest)
4
politic(moderate, honest, sensible, proper)
4
possible(reasonable, sensible, solid, fair)
4
proper(good, reasonable, honest, sensible)
4
reasoned(adverb, sound, reasonable, sensible)
4
sharp(understanding, keen, smart, bright)
4
smart(bright, sensible, alert, intelligent)
4
sober-minded
4
subjective(reasonable, keen, heavy, intelligent)
4
synthetic(sound, reasonable, sensible, realistic)
4
unromantic(hard, sound, reasonable, sensible)
4
unsentimental(hard, sound, tough, reasonable)
4
well-adjusted(sensible, stable, normal, sane)
4
well-advised(good, sound, reasonable, sensible)
3
conscious(understanding, sound, reasonable, keen)
3
good(sound, reasonable, keen, sharp)
3
abstract(moral, logical, theoretical, cerebral)
3
acute(understanding, smooth, keen, sharp)
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APASmart Define. (2016). rational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rational/thesaurus/synonyms
ChicagoSmart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, rational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>.
MLASmart Define. "rational thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms>