Synonyms|550Antonyms|241|Broader|8Narrower|5Related|1.6k

76 entries under reasonable topic. ×

5
far-sighted(adjective, sound, smart, sensible)
5
informed(adjective, understanding, sound, sharp)
5
intellectual(adjective, sound, smart, bright)
5
sound(adjective, reason, sensible, healthy)
4
cagey(adjective, smooth, keen, sharp)
4
calculating(verb, adjective, smooth, keen)
4
cognizant(adjective, understanding, cool, significant)
3
circumspect(adjective, sensible, wise, cautious)
3
cool(adjective, sound, smooth, smart)
3
enlightened(adjective, sound, sharp, sensible)
3
levelheaded(adjective, sound, reason, sensible)
3
logical(adjective, sound, sensible, rational)
3
vigilant(adjective, understanding, cool, sensible)
3
watchful(adjective, understanding, cool, smart)
3
worldly-wise(adjective, cool, smart, sensible)
2
attentive(adjective, understanding, sensible, restrained)
2
balanced(adjective, sound, reason, sensible)
2
conscious(adjective, understanding, cool, keen)
2
normal(sound, sensible, rational, healthy)
2
observant(adjective, understanding, cool, keen)
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ChicagoSmart Define. 2016. "sagacious thesaurus" https://smartdefine.org/sagacious/thesaurus/synonyms (accessed September 24, 2026).
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