D defs.my
Entry 2 senses Webster, 1913

Posit

/päz'-ət/ · Pos·it · IPA /ˈpɑzɪt/
01 v. t. To dispose or set firmly or fixedly; to place or dispose in relation to other objects.
imp. & p. p. Posited; p. pr. & vb. n. Positing
  1. 1.
    To dispose or set firmly or fixedly; to place or dispose in relation to other objects.
  2. 2.
    To assume as real or conceded; as, to posit a principle.(Logic)