- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
| streetwise(sharp, smart, intelligent, shrewd, clever) | |
| watchful(adjective, smart, shrewd, perceptive, clever) | |
| well-advised(adjective, sound, reasonable, sensible, wise) | |
| wily(adjective, sharp, smart, intelligent, shrewd) | |
| worldly(adjective, intelligent) | |
| adept(bright, sharp-witted, quick-thinking) | |
| alive to(verb, expression, phrasal verb, perceptive, observant) | |
| all-knowing | |
| all there(expression, sound, reasonable, smart, bright) | |
| analytical(sound, reasonable, sensible, intellectual, mental) | |
| appercipient | |
| apprehending | |
| apprehensive | |
| astucious(sharp, smart, intelligent, wise, prudent) | |
| au fait | |
| balanced(sound, reasonable, sensible, reasoning, intellectual) | |
| cautious(smart, sensible, wise, shrewd, clever) | |
| choosy(adjective, fastidious) | |
| cognisant | |
| cognitive(sound, reasonable, sensible, sensitive, intellectual) |
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| APA | Smart Define. (2016). perspicacious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/perspicacious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perspicacious thesaurus" https://smartdefine.org/perspicacious/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, perspicacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/perspicacious/thesaurus/synonyms>. |
| MLA | Smart Define. "perspicacious thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/perspicacious/thesaurus/synonyms> |