POSIT

Pos″it (?), v. t. [imp. & p. p. Posited; p. pr. & vb. n. Positing.] [[L. ponere, positum, to place. See Position.]] 1. 1. To dispose or set firmly or fixedly; to place or dispose in relation to other objects. Sir M. Hale.
2. 2. (Logic) To assume as real or conceded; as, to posit a principle. Sir W. Hamilton.