Belonging to, or performed by, the intellect; mental or cognitive.
intellectual powers, activities, etc.
2
Endowed with intellect; having the power of understanding; having capacity for the higher forms of knowledge or thought; characterized by intelligence or mental capacity
an intellectual person
3
Suitable for exercising the intellect; formed by, and existing for, the intellect alone; perceived by the intellect
intellectual employments
4
Relating to the understanding; treating of the mind.
intellectual philosophy, sometimes called "mental" philosophy