The Collaborative International Dictionary of English v.0.48:

configurationism \configurationism\ n. (Psychol.)
   an approach to psychology that emphasizes the importance of
   configurational properties.

   Syn: Gestalt psychology.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

configurationism
    n 1: (psychology) a theory of psychology that emphasizes the
         importance of configurational properties [syn: Gestalt
         psychology, configurationism]