Definition of "wizarding"

And he said he knew the paper was but a forgery, my lord; that His Highness, Rechad Effendi, had never seen it; that his master the American knew this too; that he had learnt all my lord's plans by wizarding, and knew them...

1904, Arthur Williams Marchmont, Norman Hardy, By snare of love

Not using magic is what wizarding is all about!

2000, Terry Pratchett, The Last Continent

For instance, when Dumbledore offered to pay him ten Galleons a week — a standard wizarding wage, but for an elf an embarras de richesses...

2007, William P MacNeil, Lex populi: the jurisprudence of popular culture