idiot’s paradise A self-deceptive condition of contentment or bliss; a mental ailment through which 1’s happiness is created by delusions and Untrue hopes. psychol a perception that isn't true to actuality, acquiring been altered subjectively in some way within the brain in the perceiver See also hallucination Encyclopaedia Britannica's https://www.youtube.com/watch?v=snr3is5MTiU