The noun is pronounced /əfɪliət/. The verb is pronounced /əfɪlieɪt/.
( affiliated)
1.
An affiliate is an organization which is officially connected with another, larger organization or is a member of it. ( FORMAL )
The World Chess Federation has affiliates in around 120 countries.
N-COUNT : oft with poss
2.
If an organization affiliates to or with another larger organization, it forms a close connection with the larger organization or becomes a member of it. ( FORMAL )
All youth groups will have to affiliate to the National Youth Agency...
VERB : V to/with n