From The Collaborative International Dictionary of English v.0.48 :
Transmogrification \Trans*mog`ri*fi*ca"tion\, n.
The act of transmogrifying, or the state of being
transmogrified; transformation. [Colloq.]
[1913 Webster]
Clive, who wrote me about the transmogrification of our
schoolfellow, an attorney's son. --Thackeray.
[1913 Webster]
From WordNet (r) 3.0 (2006) :
transmogrification
n 1: the act of changing into a different form or appearance
(especially a fantastic or grotesque one); "the
transmogrification of the prince into a porcupine"