verb (past and past participleaf·fil·i·at·ed, present participleaf·fil·i·at·ing, 3rd person present singularaf·fil·i·ates)
Definition:
1. transitive and intransitive verb combine organizations: to come, or bring a person or group, into a close relationship with another, usually larger group
2. transitive verb determine something's origin: to determine the origin of something
noun (pluralaf·fil·i·ates)
Definition:
associate: a group that is closely connected with a larger group, or a person who joins with others to form a group
[Mid-18th century. < Latin affiliat-, past participle of affiliare "adopt as a son" < filius "son"]