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.ʹ”—LibertyReview, July 7th, 1894, p. 13.