E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Orators who hold their audience spellbound. The word came into use in America in the presidential election of 1888.
The Hon. Daniel Dougherty says: The proudest day of his life was when he beheld his name among the spell-binders who held the audience in rapture with their eloquence.Liberty Review, July 7th, 1894, p. 13.