transmogrification
🇺🇸
/ˌtrænzˌmɑːɡrɪfɪˈkeɪʃn/
🇬🇧
/ˌtrænzˌmɒɡrɪfɪˈkeɪʃn/
A complete change, especially in a surprising way
The magician's transmogrification of the rabbit into a hat left the audience in awe.