The Collaborative International Dictionary of English v.0.48:
Associational \As*so`ci*a"tion*al\, a. 1. Of or pertaining to association, or to an association. [1913 Webster] 2. Pertaining to the theory held by the associationists. [1913 Webster]WordNet (r) 3.0 (2006):
associational adj 1: of or relating to associations or associationism