VENTRILOQUISM n.
The act, art, or practice of speaking in such a manner that the voice appears to come, not from the person speaking, but from some other source, as from the opposite side of the room, from the cellar, etc.
VERSED a. 2 definitions
Acquainted or familiar, as the result of experience, study, practice, etc.; skilled; practiced. Deep versed in books and shallow in himself. Milton. Opinions . . . derived from studying the Scriptures, wherein he was versed beyond any person of his age. Southey. These men were versed in the details of business. Macaula…