intellectual Definition

1. Involving or appealing to the intellect.

Thesaurus: cerebral, rational, scholarly.
2. Having a highly developed ability to think, reason and understand.

Thesaurus: intelligent, rational, scholarly, studious, bookish.

1. Someone who has a highly developed intellect and great mental ability.

Thesaurus: thinker, highbrow, scholar, academic, brain (slang), egghead (slang).