Webster's Revised Unabridged Dictionary · 1913

Idealization

Idealization , noun

1.
The act or process of idealizing.
2.
(Fine Arts) The representation of natural objects, scenes, etc., in such a way as to show their most important characteristics; the study of the ideal.
3.
A defense mechanism that splits something one is ambivalent about into two representations -- one good and one bad.
4.
something that exists only as an idea.
5.
a portrayal of something as ideal.