1. (a portrayal of something as ideal
"the idealization of rural life was very misleading")
idealization, idealisation, glorification
synonim: apoteoza
synonim: brązownictwo
synonim: gloryfikacja
synonim: lakiernictwo

2. ( (psychiatry) a defense mechanism that splits something you are ambivalent about into two representations--one good and one bad)
idealization, idealisation: :

idealization