Thaumaturgy

Thaumaturgy (from the Greek words θαῦμα thaûma, meaning "miracle" or "marvel" and ἔργον érgon, meaning "work") is the capability of a saint to work miracles. It is sometimes translated into English as wonderworking. A practitioner of thaumaturgy is a thaumaturge, thaumaturgist or miracle-worker.

Read more about Thaumaturgy:  Magic, Philosophy, In Popular Culture