n. An adherent of one of the forms of intellectualism.
the GNU version of the Collaborative International Dictionary of English
n. One who overrates the importance of the understanding.
n. One who accepts the doctrine of intellectualism.
The Century Dictionary and Cyclopedia
n. One who intellectualizes; a devotee of the intellect or understanding; one who believes or holds that all knowledge is derived from pure reason.
Word Usage
"Boys who have been brought up in an "intellectualist" atmosphere, and those alone, are sent there; and even if there were no schools to which they could be sent, home influence would turn them out intellectualists still."