170 entries under rational topic. ×

10
quick(adjective, understanding, cool, keen, sharp)
9
practical(adjective, calm, sound, reasonable, sensible)
8
intellectual(adjective, good, sound, reasonable, smart)
7
fit(adjective, sound, right, appropriate, sensible)
7
ingenious(adjective, smooth, keen, sharp, smart)
6
calculating(adjective, smooth, reasonable, keen, sharp)
6
deep(adjective, good, reasonable, keen, sharp)
6
reflective(adjective, sound, reasonable, sharp, smart)
6
sober(adjective, good, sound, reasonable, smart)
5
balanced(adjective, calm, sound, reasonable, reason)
5
capable(adjective, right, keen, appropriate, smart)
5
far-sighted(adjective, calm, sound, smooth, reasonable)
5
levelheaded(adjective, calm, good, sound, reasonable)
5
realistic(adjective, sound, reasonable, sensible)
5
ruminative(adjective, reasonable, informal, thoughtful)
5
thinking(adjective, sound, reasonable, keen, smart)
5
valid(clear, sound, reasonable, sensible)
4
able(adjective, right, appropriate, smart, bright)
4
cogent(adjective, clear, sound, reasonable, sensible)
4
conversant(adjective, understanding, cool, reasonable, smart)
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APASmart Define. (2016). wise thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/wise/thesaurus/synonyms
ChicagoSmart Define. 2016. "wise thesaurus" https://smartdefine.org/wise/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, wise thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/wise/thesaurus/synonyms>.
MLASmart Define. "wise thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/wise/thesaurus/synonyms>