110 entries under adjective topic. ×

2
gnostic(understanding, smooth, keen, sharp)
2
incisive(understanding, keen, sharp, smart)
2
penetrative(understanding, keen, sensitive, shrewd)
2
reasonable(sensible, intelligent, sage)
2
sophic(understanding, cool, smooth, keen)
2
well-informed(cool, sensible, significant, familiar)
1
alive(cool, crack, significant, intelligent)
1
au fait(expression, familiar, informed, well-informed)
1
clear-sighted(sharp, sensitive, intelligent, wise)
1
competent(cool, significant, intelligent, brilliant)
1
conversant(understanding, cool, crack, significant)
1
cool(smooth, sharp, smart, significant)
1
crack(cool, significant, intelligent, brilliant)
1
deliberate(cool, crack, significant, intelligent)
1
discreet(understanding, keen, sharp, sensible)
1
ear to the ground(expression, idiom, understanding, keen)
1
enlightened(sound, sharp, sensible, deep)
1
experienced(cool, sound, sharp, smart)
1
expert(cool, significant, familiar, intelligent)
1
forseeing
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APASmart Define. (2015). insightful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/insightful/thesaurus/synonyms
ChicagoSmart Define. 2015. "insightful thesaurus" https://smartdefine.org/insightful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, insightful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/insightful/thesaurus/synonyms>.
MLASmart Define. "insightful thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/insightful/thesaurus/synonyms>