Intellectual

(lēkt'yū-al), a. [Lat. intellectualis, Pr. & Pg. intellectual, Sp. intellectual, Fr. intellectuel, It. intellettuale.]

1. Belonging to the mind; performed by the understanding; mental; as, intellectual powers or operations.
2. Formed by, and existing for, the intellect alone; as, an intellectual scene.
3. Having the power of understanding; as, an intellectual being.
4. Relating to the understanding; treating of the mind; as, intellectual philosophy, sometimes called “mental” philosophy.