/ ˈɪntəlekt; NAmE / noun
1.
[ U , C ] the ability to think in a logical way and understand things, especially at an advanced level; your mind :
a man of considerable intellect
2.
[ C ] a very intelligent person :
She was one of the most formidable intellects of her time.
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WORD ORIGIN
late Middle English : from Latin intellectus understanding, from intellegere understand, from inter between + legere choose.