Soporific
Part of speech: noun
Definition: Something inducing sleep, especially a drug
Part of speech: adjective
Definition: Tending to induce sleep.
Hypnotic
Part of speech: adjective
Definition: Of, or relating to hypnosis or hypnotism.Inducing sleep; soporific.
Part of speech: noun
Definition: A person who is, or can be, hypnotized.A soporific substance.
Example sentence: Parents, teachers, clergy and physicians change lives with their words. It is hypnotic for a child or patient to hear an authority figure's words. As I am always sharing, 'wordswordswords' can become 'swordswordswords,' and we can kill or cure with either words or swords.