What is "suppositive"

Suppositive \Sup*pos"i*tive\, a. [Cf. F. suppositif.] Including or implying supposition, or hypothesis; supposed. -- Sup*pos"i*tive*ly, adv.
--Hammond.

Suppositive \Sup*pos"i*tive\, n. A word denoting or implying supposition, as the words if, granting, provided, etc.
--Harris.

a. Including or implying supposition, or hypothesis; supposed. n. A word denoting or implying supposition.