adj.
Pronunciation: ˌ men-t ə - ' lis-tik
Function: adjective
Date: 1882
1 : of or relating to any school of psychology or psychiatry that in contrast to behaviorism values subjective data (as those gained by introspection) in the study and explanation of behavior
2 : of or relating to mental phenomena
– men · tal · ism \ ' men-t ə - ˌ li-z ə m \ noun