An affiliation is an official connection to something. To have an affiliation to something is to be affiliated with it. The Tea Party pretty clearly has an affiliation with the Republican Party. AFFILIATION meaning: 1. a connection with a political party or religion, or with a larger organization: 2. a connection…. Learn more. The meaning of AFFILIATION is the state or relation of being closely associated or affiliated with a particular person, group, party, company, etc.. How to use affiliation in a sentence. Colleges shall give: Any Desk Id Screen Shot of the Issue Issue Description with the WhatsApp group