1. (a.) Belonging to, or performed by, the intellect; mental; as, intellectual powers, activities\.

2. (a.) Endowed with intellect; having the power of understanding; having capacity for the higher forms of knowledge or thought; characterized by intelligence or mental capacity; as, an intellectual person.

3. (a.) Suitable for exercising the intellect; formed by, and existing for, the intellect alone; perceived by the intellect; as, intellectual employments.

4. (a.) Relating to the understanding; treating of the mind; as, intellectual philosophy, sometimes called mental philosophy.

5. (n.) The intellect or understanding; mental powers or faculties.

Brahmin academic academician affective authority bookish brain brainy bright cerebral characteristic conceptive conceptual constitutional discursive dispositional doctor egghead elder elder statesman elitist emotional endopsychic experimental scientist expert genius great soul guru highbrow highbrowed ideational illuminate illuminati innate intellect intellectualistic intelligence intelligent internal knowing literati lover of wisdom mahatma man of intellect man of science man of wisdom mandarin master mastermind mental mentor noetic noological not so dumb oracle philosopher phrenic polymath practical scientist professor psychic psychical psychologic psychological pundit rabbi rational reasonable reasoning rishi sage sane sapient savant scholar scholarly scientist seer sensible sophic spiritual starets strong-minded subjective technologist temperamental thinker thinking thought-provoking thoughtful understanding wise man wise old man