overidealize

over- +‎ idealize

overidealize (third-person singular simple present overidealizes, present participle overidealizing, simple past and past participle overidealized)

1. (transitive) To idealize to too great an extent.
   • 2007 August 5, Kristin Hohenadel, “A French Actress’s Life on Screen. Kind Of.”, in New York Times‎:

     “He’s an American who overidealizes Paris as a sort of idyllic political and cultural mecca,” Mr. Goldberg said by phone.