affiliation
n. C / Un. a formal connection between a person and a group, like a political party or a company. It shows that you belong to or support that organization.
n. a formal connection or official attachment to an organization, political party, or religious group. Often implies a shared identity or a set of mutual obligations.
She has a strong affiliation with the local university.
The candidate was asked to disclose any past political affiliation before the public debate began.
The research institute maintains a close affiliation with several international laboratories to facilitate the exchange of sensitive data and specialized equipment.
From French affiliation, from Latin affiliatiō, noun of action from verb affiliō, from af- (form of ad- (“to”) before an f) + filiō (from filius (“son”)).
Uncountable when referring to the state of being connected; countable when referring to a specific instance of such a connection.
his affiliation to the clubhis affiliation with the clubWhile 'to' is occasionally used, 'with' is the standard preposition for describing a connection to an organization.