unrealize

1. (transitive) To make unreal; to idealize.Examples: "His fancy, habitually moving about in worlds not realized, unrealizes everything at a touch."; "But De Quincey generally sees a much deeper technical significance, an idealizing or unrealizing effect in the language."; "Every action that realizes a dream or desire unrealizes it in reality."transitive

2. (nonce word) To alter one's own viewpoint after a previous realization; to change one's mind.Examples: "I easily realized that all of his statements were wrong. How do you unrealize that?"nonce-word