n. (logic) a proposition that is accepted as true in order to provide a basis for logical reasoning

v. take as a given; assume as a postulate or axiom; "He posited three basic laws of nature"

v. put before; "I submit to you that the accused is guilty"

v. put (something somewhere) firmly; "She posited her hand on his shoulder"; "deposit the suitcase on the bench"; "fix your eyes on this spot"