idealization

US /aɪˌdiː.ə.ləˈzeɪ.ʃən/
UK /aɪˌdiː.ə.ləˈzeɪ.ʃən/
1.

the act of thinking of or representing someone or something as better than that person or thing really is:

:
•
An idealization of nature characterized the artist’s work.
:
idealideally