40 entries under rational topic. ×
| unreal(adjective, heavy, intellectual, supernatural) | |
| abstract(cerebral, psychological) | |
| academic(intelligent, knowledgeable) | |
| bookish(adjective, intelligent, thoughtful, knowledgeable) | |
| clairvoyant(adjective, intellectual, supernatural, spiritual) | |
| emotional(cerebral, psychological) | |
| highbrow(adjective, intelligent, thoughtful, knowledgeable) | |
| highbrowed(adjective, intelligent, thoughtful, knowledgeable) | |
| immaterial(adjective, intellectual, supernatural, spiritual) | |
| inner(adjective, heavy, intellectual, supernatural) | |
| inventive(adjective, intelligent, thoughtful, knowledgeable) | |
| knowledgeable | |
| learned(adjective, intelligent, thoughtful, knowledgeable) | |
| logical(intelligent, knowledgeable) | |
| perceptual(cerebral, psychological) | |
| psychic(adjective, intellectual, supernatural, spiritual) | |
| scholarly(adjective, intelligent, thoughtful, knowledgeable) | |
| studious(adjective, intelligent, thoughtful, knowledgeable) | |
| subconscious(adjective, intellectual, supernatural, spiritual) | |
| very smart(expression, adjective, intelligent, thoughtful) |
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| APA | Smart Define. (2015). phrenic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/phrenic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "phrenic thesaurus" https://smartdefine.org/phrenic/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, phrenic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/phrenic/thesaurus/synonyms>. |
| MLA | Smart Define. "phrenic thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/phrenic/thesaurus/synonyms> |