Métamorphose
WordNet
verb
(1) Change in outward structure or looks
"He transformed into a monster"
"The salesman metamorphosed into an ugly beetle"
(2) 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"