n.
Pronunciation: -shn ə - ˌ li-z ə m, -sh ə -n ə l- ˌ i-
Function: noun
Date: 1842
1 : the doctrine that the immediate object of knowledge is an idea in the mind distinct from the external object which is the occasion of perception
2 : the theory or practice of realistic representation in art
– rep · re · sen · ta · tion · al · ist \ -list, -ist \ noun