af·​fil·​i·​a·​tion | \ ə-ˌfi-lē-ˈā-shən How to pronounce affiliation (audio) \
plural affiliations

Definition of affiliation

: the state or relation of being closely associated or affiliated with a particular person, group, party, company, etc. The radio station has maintained a longtime affiliation with the concert hall and often has featured performers as guests on the air. A former Democrat, Joseph McCarthy had switched his affiliation and was elected in the Republican landslide of 1946 …— Ted Widmer … hundreds of businessmen owe their success to an affiliation with organized crime.— William Bastone

First Known Use of affiliation

1791, in the meaning defined above

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Time Traveler for affiliation

The first known use of affiliation was in 1791

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English Language Learners Definition of affiliation

: the state of being closely associated with or connected to an organization, company, etc.
: the state of belonging to a particular religious or political group

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Comments on affiliation

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an act or instance of editing or removing

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