under someone's spell

Fascinated or influenced by someone, as in I think he has our daughter under his spell. This idiom derives from the literal meaning of spell, “a word or formula that has magical power.” [Mid-1800s]

Words nearby under someone's spell

under one's own steam, under one's skin, under pain of, under par, under secretary, under someone's spell, under someone's thumb, under someone's wing, under the aegis of, under the circumstances, under the counter