metamorphose
1. [ verb ] change completely the nature or appearance of
Synonyms: transmogrify transfigure
Examples:

"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"

Related terms: change_by_reversal transmogrification
2. [ verb ] change in outward structure or looks
Synonyms: transform transmute
Examples:

"He transformed into a monster" "The salesman metamorphosed into an ugly beetle"

Related terms: change become aurify
Similar spelling:   metamorphosis
  metamorphous
  metamorphopsia
  metamorphic
  metamorphism