Thaumaturgy

On all subjects known to man, from the Thirty-nine Articles of our English Church, down to pyrotechnics, legerdemain, magic, both black and white, thaumaturgy, and necromancy, he favoured the world (which world was the nursery where I lived amongst my sisters) with his select opinions.

Source: wiktionary

There were astonishing changes. The small hours found Mr. Maydig and Mr. Fotheringay careering across the chilly market square under the still moon, in a sort of ecstasy of thaumaturgy, Mr. Maydig all flap and gesture, Mr. Fotheringay short and bristling, and no longer abashed at his greatness

Source: wiktionary