The Oxford Thesaurus An A-Z Dictionary of Synonyms - associationn.

1) society, organization, confederation, confederacy, federation, league, union, alliance, guild, coalition, group; syndicate, combine, consortium, cooperative: The society later became known as the British Association for the Advancement of Science. 2) connection, link, affiliation, relationship, bond, tie, linkage, linking, pairing, joining, conjunction, bonding: The association between princes and frogs is probably lost on anyone so literal-minded. 3) fellowship, intimacy, friendship, camaraderie, comradeship, relationship: There has been a long-standing association between Peter and Wendy.