1. being in close formal or informal association; related: a letter sent to all affiliated clubs; a radio network and its affiliated local stations.

Origin of affiliated

First recorded in 1785–95; affiliate + -ed2
Related formsnon·af·fil·i·at·ed, adjectiveun·af·fil·i·at·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018