metamorphose, transfigure, transmogrify -- (change completely the nature or appearance of; "In Kafka's story, a person metamorphoses into a bug"; "The treatment and diet transfigured her into a beautiful young woman"; "Jesus was transfigured after his resurrection")
transform, transmute, metamorphose -- (change in outward structure or looks; "He transformed into a monster"; "The salesman metamorphosed into an ugly beetle")