It's a rare ability, and vital to being a good wizard.

"It must be easier to secure good wizards now that magic is legal."

You are said to be a very good wizard.

Dean also refers in passing to a good wizard as a "white magician".

They had come upon another wizard; much good it would do them.

But a good wizard never let uncertainty stand in his way.

"There is a touch of magic about it, do not doubt, good wizard," he declared.

"Well, they have good wizards of their own, and keeping us off the Hoocheecoochee is very important to them."

"I don't know how I could have gone all these years without realizing what a good wizard you are."

You're also a very good wizard, and you're respected at the school.