hypnotic
adjective
[ hɪpˈnɒtɪk ]
• relating to or producing hypnosis.
• "a hypnotic state"
• (of a drug) sleep-inducing.
hypnotic
noun
• a sleep-inducing drug.
• "hypnotics may be prescribed"
• a person under or open to hypnosis.
Origin:
early 17th century: from French hypnotique, via late Latin from Greek hupnōtikos ‘causing sleep’, from hupnoun ‘put to sleep’, from hupnos ‘sleep’.