Phantasmagoria– phan·tas·ma·go·ri·a[fan-taz-muh–gawr-ee-uh] –noun 1. a shifting series of phantasms, illusions, or deceptive appearances, as in a dream or as created by the imagination. 2. a changing scene made up of many elements. 3. an optical illusion produced by a magic lantern or the like in which figures increase or …