Akademik

intellectual
1. adjective /ˌɪntəˈlɛktʃuəl/
a) Belonging to, or performed by, the intellect; mental; as, intellectual powers, activities, etc.
b) 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.
Ant: non-intellectual
See Also: intellect, intellectualize, intelligence, intelligent, overintellectualize
2. noun /ˌɪntəˈlɛktʃuəl/
a) An intelligent person, someone interested in intellectual matters.
b) The intellect or understanding; mental powers or faculties.

Wikipedia foundation.