Meaning

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

• An entity that has such capacities.

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

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

• Acquaintance; intercourse; familiarity.