Source : WordNet®

idealisation
     n 1: (psychiatry) a defense mechanism that splits something you
          are ambivalent about into two representations--one good
          and one bad [syn: {idealization}]
     2: something that exists only as an idea [syn: {idealization}]
     3: a portrayal of something as ideal; "the idealization of
        rural life was very misleading" [syn: {idealization}, {glorification}]