IntelliGence

IntelliGence: 1) The power to reason. 2) Self-awareness accompanied by a capacity for abstract reasoning. 3) Intellectual prowess. 5) Knowledge. 4) Data, especially of a secure or secret nature, about the plans and activities of an adversary. 5) In the field of automation, the quality of being directed by a computing circuit or device. -- AyeSpy

(from Latin intellegere to gather within)

(Does anyone have more definitions?)--

The capacity to acquire and apply knowledge.

I like this definition because it encompasses the idea of "learning how to learn."