af ‧ fil ‧ i ‧ at ‧ ed /əˈfɪlieɪtəd, əˈfɪlieɪtɪd/ BrE AmE adjective [only before noun]
an affiliated organization/club/member etc an organization, club etc that is a member of a larger group or organization, or is closely connected with it:
The Association provides information on affiliated clubs.