intellect
/ˈɪntəlekt; `ɪntlˌɛkt/ n
1 [U] power of the mind to reason and acquire knowledge (contrasted with feeling and instinct) 智力, 思维能力, 领悟力, 理解力（与感情及本能相对）
a man of (great) intellect （极）具聪明才智的人
Intellect distinguishes humans from other animals. 人类与禽兽之别在於人具有思维能力.
2 [C] person of high intelligence and reasoning power 有高智慧和推理能力的人
He was one of the most formidable intellects of his time. 他是该时代的盖世奇才.