Hypnotic
WordNet
adjective
(1) Attracting and holding interest as if by a spell
"Read the bedtime story in a hypnotic voice"
"She had a warm mesmeric charm"
"The sheer force of his presence was mesmerizing"
"A spellbinding description of life in ancient Rome"
(2) Of or relating to hypnosis
noun
(3) A drug that induces sleep