Located in the vibrant Chamblee neighborhood of Huntley Hills, the Huntley Hills Neighborhood Association fosters community engagement, beautification and safety. The meaning of ASSOCIATION is the act of associating. How to use association in a sentence. ASSOCIATION definition: 1. a group of people who work together in a single organization for a particular purpose: 2. the…. Learn more. Definition of association noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. ASSOCIATION definition: an organization of people with a common purpose and having a formal structure. See examples of association used in a sentence. Association (archaeology), the close relationship between objects or contexts. Association (astronomy), combined or co-added group of astronomical exposures Association (chemistry) Association (ecology), a type of ecological community Genetic association, when one or more genotypes within a population co-occur Association (object-oriented programming), defines a relationship between classes of. 7 meanings: 1. a group of people having a common purpose or interest; a society or club 2. the act of associating or the state. Click for more definitions.