Casts a spell is a common term that refers to an action of enchantment or mesmerizing. There are several synonyms, which can be used interchangeably in place of "cast a spell." Some of these include bewitches, charms, enraptures, fascinates, hypnotizes, mesmerizes, and spellbinds. These words describe the action of captivating or influencing someone or something to perform or act in a certain manner. They are typically used in situations where a person wishes to convey the idea of an inexplicable or supernatural influence, where the resulting effect is beyond the control of the target. These synonyms can be used in various contexts, such as books, movies, and everyday conversations.