stimulus generalization sti·mu·lus·generalization uncommon noun 1. (psychology) transfer of a response learned to one stimulus to a similar stimulus Synonymsgeneralizationgeneralisationstimulus generalizationstimulus generalisation Related words Word family generalisegeneralize Broader terms transfer Narrower terms irradiation WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.