Webster's Revised Unabridged Dictionary · 1913

Exorcist

Exorcist (-sist) , noun

[Latin exorcista, Greek 'exorkisth`s: compare French exorciste.]

1.
One who expels evil spirits by conjuration or exorcism.
Certain of the vagabond Jews, exorcists. — Acts xix. 13
2.
A conjurer who can raise spirits. [Rare]
Thou, like an exorcist, hast conjured up My mortified spirit. — Shakespeare