DIVISION (I.) FORMATION OF IDEAS
Section I. OPERATIONS OF INTELLECT IN GENERAL
Intellect –N. mind, understanding, reason, thinking principle; rationality; cogitative faculties, cognitive faculties; faculties, senses, consciousness, observation, percipience, apperception, mentality, intelligence, intellection, intuition, instinct, flair, conception, judgement, wits, capacity, reasoning power, brains, genius; wit; ability (skill); wisdom, soul, spirit, ghost, inner man, heart, breast, bosom, heart’s core; ego, psyche, pneuma, subconscious, sublimal self; pate, noddle, skull, ideality, transcendentalism, spiritualism; immateriality, metaphysician, psychologist.
Absence or want of Intellect –N. imbecility; brutality; brute instinct, brute force.
Thesaurus of Words and Phrases by Peter Mark Roget, M.D., F.R.S. Enlarged by John Lewis Roget, M.A., New Edition Revised and Enlarged by Samuel Romily Roget, M.A. Published by Grosset & Dunlap, the edition is copyright 1941, 1947.