psychologism[sī käl′ə jiz′əm]
psychologism definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any attempt to find psychological bases for historical events, philosophical concepts, etc.: usually a disparaging term
psychologism definition by American Heritage Dictionary
The explanation or interpretation of events or ideas in psychological terms.