Defn: To lay asleep; to put to sleep; to quiet. [Obs.]
The king's declaration for the sopiting of all Arminian heresies.
Fuller.

SOPITION
So*pi"tion, n.

Defn: The act of putting to sleep, or the state of being put to
sleep; sleep. [Obs.]
Dementation and sopition of reason. Sir T. Browne.

SOPOR
So"por, n. Etym: [L.] (Med.)

Defn: Profound sleep from which a person can be roused only with difficulty.

SOPORATE Sop"o*rate, v. t. Etym: [L. soporatus, p.p. or soporare to put to sleep, fr. sopor a heavy sleep.]

Defn: To lay or put to sleep; to stupefy. [Obs.] Cudworth.

SOPORIFEROUS Sop`o*rif"er*ous, a. Etym: [L. soparifer; sopor a heavy sleep + ferere to bring.]

Defn: Causing sleep; somniferous; soporific. "Soporiferous medicine."
Swift. —- Sop`o*rif"er*ous*ly, adv.
— Sop`o*rif"er*ous*ness, n.

SOPORIFIC Sop`o*rif"ic, a. Etym: [L. sopor a heavy sleep (akin to somnus sleep) + facere to make. See Somnolent, Fact.]