The ability to acquire, understand, and use knowledge: a person of extraordinary intelligence.
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Information, especially secret information gathered about an actual or potential enemy or adversary. The gathering of such information:"Corporate intelligence relies on a slew of tools, some sophisticated, many quite basic"(Neil King and Jess Bravin). An agency or organization whose purpose is to gather such information: an officer from military intelligence.
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An intelligent, incorporeal being, especially an angel.