77 entries under rational topic. ×

1
pondering(adjective, reasonable, keen, deep)
1
preoccupied(adjective, reasonable, keen, deep)
1
rapt(adjective, reasonable, keen, deep)
1
recondite(sound, deep, thoughtful, abstract)
1
reflecting(adjective, reasonable, keen, deep)
1
retrospective(adjective, reasonable, keen, deep)
1
telepathic(adjective, supernatural, mental, spiritual)
1
unreal(adjective, supernatural, abstract, spiritual)
1
wistful(adjective, reasonable, keen, deep)
0
deliberating(intelligent, thoughtful)
0
heavy(deep, thoughtful, supernatural, spiritual)
0
in the mind(expression, adjective, idiom, emotional)
0
inner(emotional, supernatural, mental, spiritual)
0
mysterious(deep, thoughtful, supernatural, spiritual)
0
ruminating(intelligent, thoughtful)
0
thought(noun, adjective, mind, reason, sense)
0
very smart(expression, adjective, smart, bright)
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APASmart Define. (2016). intellectual thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/intellectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "intellectual thesaurus" https://smartdefine.org/intellectual/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, intellectual thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/intellectual/thesaurus/synonyms>.
MLASmart Define. "intellectual thesaurus" 22 February 2016. Web. 26 September 2026. <https://smartdefine.org/intellectual/thesaurus/synonyms>