'functionalism' definitions:

Definition of 'functionalism'

From: WordNet
noun
A psychology based on the assumption that all mental process are useful to an organism in adapting to the environment
noun
Any doctrine that stresses utility or purpose

Definition of 'functionalism'

From: GCIDE
  • functionalism \functionalism\ n.
  • 1. a psychology based on the assumption that all mental process are useful to an organism in adapting to the environment. [WordNet 1.5]
  • 2. any doctrine that stresses utility or purpose. [WordNet 1.5]