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