105 entries under reasonable topic. ×

26
discerning(verb, adjective, clear, sound)
13
perceptive(adjective, sharp, sensible, intelligent)
12
shrewd(adjective, smooth, sharp, smart)
11
judicious(adjective, clear, sound, correct)
10
discreet(adjective, sensible, rational, careful)
10
prudent(adjective, sound, smooth, keen)
10
wise(adjective, clear, sound, keen)
9
careful(adjective, correct, sharp, fine)
9
intelligent(adjective, clear, sound, keen)
9
subtle(adjective, quiet, clear, sensible)
8
perspicacious(adjective, sound, keen, sharp)
8
rational(adjective, clear, sound, sensible)
8
sagacious(adjective, sound, keen, sharp)
7
sapient(adjective, smooth, sharp, smart)
6
astute(adjective, keen, sharp, smart)
6
sensible(adjective, sharp, intelligent, wise)
6
thoughtful(adjective, sound, sensible, intelligent)
5
circumspect(adjective, sound, sensible, careful)
4
canny(adjective, keen, sharp, smart)
4
enlightened(adjective, sound, sensible, superior)
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APASmart Define. (2015). discriminating thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/discriminating/thesaurus/synonyms
ChicagoSmart Define. 2015. "discriminating thesaurus" https://smartdefine.org/discriminating/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, discriminating thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/discriminating/thesaurus/synonyms>.
MLASmart Define. "discriminating thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/discriminating/thesaurus/synonyms>