ˈment ə lˌizəm noun
( -s )
1.
a. : a doctrine that mind is the fundamental reality : berkeleianism — compare idealism , materialism
b. : a doctrine that distinguishes mental processes fundamentally from the accompanying brain activity
2. : a view that conscious processes as revealed by introspection are the proper data of psychology — opposed to behaviorism
3. : a hypothesis that special factors of mind must be assumed to analyze, classify, or explain some or all phenomena of language — compare mechanism