30 entries under rational topic. ×

16
abstract(adjective, intellectual, theoretical, immaterial)
6
intellectual(adjective, cerebral, psychological, nonconcrete)
6
spiritual(adjective, immaterial, cerebral, psychological)
6
unreal(adjective, real, intellectual, imaginary)
4
ideological(cerebral, philosophical, psychological)
4
immaterial(adjective, intellectual, immaterial, cerebral)
3
cerebral(adjective, psychological)
3
mental(adjective, intellectual, cerebral, psychological)
3
subjective(cerebral, psychological)
3
thoughtful(cerebral, psychological)
2
creative(adjective, fantastic, original, resourceful)
2
imaginative(imaginary, unreal, theoretical, cerebral)
2
phrenic(cerebral, psychological)
2
psychic(cerebral, psychological)
2
psychical(cerebral, psychological)
2
psychological
2
reasoning(cerebral, psychological)
2
thinking(cerebral, psychological)
1
deep(intellectual, cerebral, psychological, nonconcrete)
1
perceptual(adjective, cerebral, psychological)
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APASmart Define. (2015). conceptual thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/conceptual/thesaurus/synonyms
ChicagoSmart Define. 2015. "conceptual thesaurus" https://smartdefine.org/conceptual/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, conceptual thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/conceptual/thesaurus/synonyms>.
MLASmart Define. "conceptual thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/conceptual/thesaurus/synonyms>