D defs.my
Entry 1 sense Webster, 1913

Sopition

· So·pi·tion · IPA /səˈpɪʃən/
01 n. The act of putting to sleep, or the state of being put to sleep; sleep.
  1. 1.
    The act of putting to sleep, or the state of being put to sleep; sleep.[Obs.]
    “Dementation and sopition of reason.” Sir T. Browne.