mesmerizer|ˈmɛzməraɪzə(r)| [Formed as prec. + -er1.] One who mesmerizes. 1829[See mesmerizee].1855Browning Lovers Quarrel xi, When the mesmerizer Snow With his hand's first sweep Put the earth to sleep.1859Dickens Lett. (1880) II. 100 The alleged mesmeriser.