transformation

ˌtransfəˈmeɪʃ(ə)n,ˌtrɑːnsfəˈmeɪʃ(ə)n,ˌtranzfəˈmeɪʃ(ə)n,ˌtrɑːnzfəˈmeɪʃ(ə)n/

noun

1. 1.

   a marked change in form, nature, or appearance.

   "She underwent a radical transformation"

   synonyms:

    

   chang, amendment, metamorphosis, transfiguration, evolution; remodelling, reshaping, remoulding, rebuilding, recasting, restyling, reworking, renewal, renewing, revamping, renovation,  overhaul, remaking; revolutionising, revolution.