- Definitions|2
- Thesaurus|2k
- Abbreviations|0
78 entries under rational topic. ×
| knowing(adjective, understanding, cool, sound, smooth) | |
| understanding(noun, adjective, sound, keen, sharp) | |
| bright(adjective, open, cool, keen, sharp) | |
| sound(adjective, clear, reasonable, sharp, sensible) | |
| brainy(adjective, understanding, cool, smooth, keen) | |
| ready(adjective, open, sharp, smart, bright) | |
| alive(adjective, open, cool, smart, bright) | |
| clear(sound, reasonable, sensible, logical) | |
| emotional(adjective, understanding, keen, fine, sensible) | |
| ingenious(adjective, smooth, keen, sharp, smart) | |
| perspicuous(adjective, clear, sound, reasonable, sensible) | |
| thoughtful(adjective, sound, reasonable, sharp, smart) | |
| logical(adjective, clear, sound, reasonable, alert) | |
| reasonable(adjective, sound, smart, bright, sensible) | |
| brilliant(adjective, cool, sharp, smart, bright) | |
| calculating(adjective, smooth, keen, sharp, smart) | |
| commonsensical(adjective, clear, sound, reasonable, sensible) | |
| enlightened(adjective, sound, sharp, smart, bright) | |
| lucid(clear, sound, reasonable, sensible, alert) | |
| analytical(adjective, clear, sound, reasonable, sensible) |
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| APA | Smart Define. (2016). perceptive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perceptive/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perceptive thesaurus" https://smartdefine.org/perceptive/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, perceptive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perceptive/thesaurus/synonyms>. |
| MLA | Smart Define. "perceptive thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/perceptive/thesaurus/synonyms> |