WordNet (r) 3.0 (2006):

Transfiguration
    n 1: (Christianity) a church festival held in commemoration of
         the Transfiguration of Jesus [syn: Transfiguration,
         Transfiguration Day, August 6]
    2: (New Testament) the sudden emanation of radiance from the
       person of Jesus [syn: Transfiguration, Transfiguration of
       Jesus]
    3: a striking change in appearance or character or
       circumstances; "the metamorphosis of the old house into
       something new and exciting" [syn: transfiguration,
       metamorphosis]
    4: the act of transforming so as to exalt or glorify

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "transfiguration":
   avatar, catabolism, catalysis, consubstantiation, displacement,
   heterotopia, metabolism, metagenesis, metamorphism, metamorphosis,
   metastasis, metathesis, metempsychosis, mutant, mutated form,
   mutation, permutation, reincarnation, sport, transanimation,
   transfigurement, transformation, transformism, translation,
   translocation, transmigration, transmogrification, transmutation,
   transposition, transubstantiation