132 entries under keen topic. ×

4
adroit(adjective, smart, bright, sensitive)
4
attentive(adjective, understanding, reasonable, sensible)
4
crafty(adjective, smooth, sharp, smart)
4
cunning(adjective, good, sound, smooth)
4
informed(adjective, understanding, sound, reasonable)
4
watchful(adjective, understanding, cool, reasonable)
3
awake(adjective, understanding, cool, reasonable)
3
calculating(adjective, smooth, reasonable, sharp)
3
cognizant(adjective, understanding, cool, reasonable)
3
competent(adjective, good, cool, sharp)
3
conscious(adjective, understanding, cool, reasonable)
3
expert(adjective, good, cool, sharp)
3
penetrative(adjective, understanding, sharp, smart)
3
recognizing(verb, adjective, understanding, sensible)
3
vigilant(adjective, understanding, cool, reasonable)
2
all there(expression, adjective, sound, reasonable)
2
apperceptive(adjective, understanding, sensible, certain)
2
cagey(adjective, smooth, reasonable, sharp)
2
conversant(adjective, understanding, cool, reasonable)
2
foxy(adjective, smooth, sharp, smart)
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APASmart Define. (2015). discerning thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/discerning/thesaurus/synonyms
ChicagoSmart Define. 2015. "discerning thesaurus" https://smartdefine.org/discerning/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, discerning thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/discerning/thesaurus/synonyms>.
MLASmart Define. "discerning thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/discerning/thesaurus/synonyms>