2
demanding(adjective, fastidious)
2
diligent(adjective, fastidious)
2
discriminative
2
exacting(adjective, fastidious)
2
far-sighted(sound, reasonable, sensible, wise, shrewd)
2
fastidious(adjective, fastidious)
2
foresighted(sensible, intelligent, sage)
2
foxy(adjective, sharp, smart, intelligent, wise)
2
good
2
informed(adjective, sensible, intelligent, wise, shrewd)
2
intense(sharp, shrewd, perceptive, penetrating, searching)
2
mindful(perceptive, observant, insightful)
2
normal(sound, reasonable, sensible, reasoning, intellectual)
2
practical(reasoning, intellectual, mental)
2
proper(adjective, fastidious)
2
resourceful(adjective, smart, bright, brainy)
2
severe(adjective, fastidious)
2
sly(adjective, keen, sharp, smart, intelligent)
2
sober(adjective, sound, reasonable, sensible, wise)
2
street smart(expression, smart, shrewd, clever, subtle)
10 years ago|16k views|share |citing 
APASmart Define. (2016). perspicacious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perspicacious/thesaurus/synonyms
ChicagoSmart Define. 2016. "perspicacious thesaurus" https://smartdefine.org/perspicacious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, perspicacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perspicacious/thesaurus/synonyms>.
MLASmart Define. "perspicacious thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/perspicacious/thesaurus/synonyms>