Synonyms for Intellectual (same or very similar meaning)
WordNet sense 1 (a person who uses the mind creatively):
intellect
WordNet sense 2 (involving intelligence rather than emotions or instinct):
cerebral
WordNet sense 3 (of or associated with or requiring the use of the mind):
noetic
WordNet sense 4 (involving the mind or an intellectual process):
mental
WordNet sense 5 (having its source in or being guided by the intellect (distinguished from experience or emotion)):
rational
From the ODE community, based on WordNet
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