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From Late Latin adfiliare, affiliare (to adopt as son), from Latin ad + filius (son): compare French affilier.



  • (UK, US) IPA(key): /əˈfɪ
  • (file)



affiliate (plural affiliates)

  1. Someone or something, especially, a television station, that is associated with a larger, related organization, such as a television network; a member of a group of associated things.
    Our local TV channel is an affiliate of NBC.
    • 1999 July 29, Chris Sobieniak, “Weird 3d NFB animated short(any canadians in here?)”, in rec.arts.animation, Usenet[1]:
      They used to been[sic] more of a Detroit channel, as they had showed a lot of American programs, aside from being the CBC affiliate.



affiliate (third-person singular simple present affiliates, present participle affiliating, simple past and past participle affiliated)

  1. (transitive) To adopt; to receive into a family as one's offspring
  2. (transitive) to bring or receive into close connection; to ally.
    • I. Taylor
      Is the soul affiliated to God, or is it estranged and in rebellion?
  3. (transitive, said of an illegitimate child) To fix the paternity of
    to affiliate the child to (or on or upon) one man rather than another
  4. (transitive) To connect in the way of descent; to trace origin to.
    • H. Spencer
      How do these facts tend to affiliate the faculty of hearing upon the aboriginal vegetative processes?
  5. (intransitive, followed by "to" or "with") To attach (to) or unite (with); to receive into a society as a member, and initiate into its mysteries, plans, etc.

Derived terms[edit]





  1. second-person plural present subjunctive of affilare
  2. inflection of affiliare:
    1. second-person plural present indicative/subjunctive
    2. second-person plural imperative
  3. feminine plural of affiliato