Webster's Revised Unabridged Dictionary · 1913

Opiate

Opiate , noun

[From Opium: compare French opiat.]

1.
Originally, a medicine of a thicker consistency than sirup, prepared with opium. — Parr
2.
Any medicine that contains opium, and has the quality of inducing sleep or repose; a narcotic.
3.
Anything which induces rest or inaction; that which quiets uneasiness.
They chose atheism as an opiate. — Bentley

Opiate , adjective

[See Opium.]

Inducing sleep; somniferous; narcotic; hence, anodyne; causing rest, dullness, or inaction; as, the opiate rod of Hermes. — Milton

Opiate , transitive verb

To subject to the influence of an opiate; to put to sleep. [Rare] — Fenton