Intellect
Intellect was the ability of the mind to reach correct conclusions about what was true and what was false, and about how to solve problems.

In 2373, Q proposed mating with Captain Kathryn Janeway to create a new breed of the  species which would have the combined omnipotence and infinite intellect of Q with the best that Humanity had to offer. ()

See also 
 Force of intellect
 Intelligence

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Psychology