theurgy as ‘a power higher than all human wisdom, embracing the blessings of divination, the purifying powers of initiation, and in a word all the operations of divine possession’… magic applied to a religious purpose and resting on a supposed revelation of a religious character.
Dodds offers the foundational definition of theurgy for the corpus, distinguishing it from vulgar magic by its religious telos and its claim to revealed authority.
, The Greeks and the Irrational, 1951thesis