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...

Not using magic is what wizarding is all about!

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

You are already a real wizard, he says, and the only way you’ll get any better is by wizarding.