(1):

(a.) Having the quality of producing sleep; tending to produce sleep; soporific.

(2):

(a.) Of or pertaining to hypnotism; in a state of hypnotism; liable to hypnotism; as, a hypnotic condition.

(3):

(n.) A person who exhibits the phenomena of, or is subject to, hypnotism.

(4):

(n.) Any agent that produces, or tends to produce, sleep; an opiate; a soporific; a narcotic.