- Definitions|2
- Thesaurus|3.8k
- Abbreviations|0
| sane(adjective, sound, stupid, wise, insane) | |
| sagacious(adjective, smart, judicious) | |
| thoughtful(adjective, sound, wise) | |
| astute(adjective, stupid) | |
| brainstorm | |
| compensate | |
| perspicacious | |
| realistic(adjective, sound, wise) | |
| sage | |
| unfoolish(adjective, sound, wise, nerdy) | |
| wary(adjective, careless, certain, careful, cautious) | |
| ruminative | |
| insightful | |
| perceptive(careless, insensitive) | |
| reasonable(adjective, sound, wise) | |
| sapient | |
| adroit | |
| advisable | |
| all-knowing | |
| artful |
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| APA | Smart Define. (2016). foolish thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foolish/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, foolish thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foolish/thesaurus/antonyms>. |
| MLA | Smart Define. "foolish thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/foolish/thesaurus/antonyms> |