Definition of: intelligence

(in·tel′ə·jəns) noun
1. The quality, exercise, or product of active intellect; intellect; knowledge; ability to exercise the higher mental functions; readiness of comprehension.
2. The capacity to meet situations, especially if new or unforeseen, by a rapid and effective adjustment of behavior; also, the native ability to grasp the significant factors of a complex problem or situation.
3. Information acquired or communicated; notification; news; especially, secret information, political, military, etc.
4. Mutual understanding; interchange of information or thought: to exchange a look of intelligence.
5. An intelligent being; especially, a spirit not embodied: the Supreme Intelligence. See synonyms under INTELLECT, KNOWLEDGE, MIND, TIDINGS, UNDERSTANDING. [<OF <L intelligentia <intelligens, -entis, ppr. of intelligere understand]