intelligence

noun

1. 1

   Capacity of mind, especially to understand principles, truths, facts or meanings, acquire knowledge, and apply it to practice; the ability to comprehend and learn.

2. 2

   An entity that has such capacities.

3. 3

   Information, usually secret, about the enemy or about hostile activities.

4. 4

   A political or military department, agency or unit designed to gather information, usually secret, about the enemy or about hostile activities.

5. 5

   Acquaintance; intercourse; familiarity.