what is the meaning of transfiguration

According to the dictionary "transfiguration" means to undergo a change in appearence. However, the term "transfiguration" is usually used in a religious context, where it would mean to undergo a spiritual change. The common synonym for "transfiguration"  is "metamorphosis". When using this term "transfiguration", you must understand the context in which it is being used and then check if either meanings of the term is applicable in the statement.