Definitionen
1.NounThe capacity of mind, especially to understand principles, truths, facts or meanings, acquire knowledge, and apply it to practice; the ability to comprehend and learn; the ability to process sentient experience to generate true beliefs with a justified degree of confidence.
2.NounThe quality of making use or having made use of such capacities: depth of understanding, mental quickness.
3.NounAn entity that has such capacities.
4.NounInformation, often secret, about an enemy or about hostile activities.
5.NounA political or military department, agency or unit designed to gather information, usually secret, about the enemy or about hostile activities.
6.NounAcquaintance; intercourse; familiarity.