Tentative

Ten*ta"tive (?), a. [L. tentare to try: cf. F. tentatif. See Tempt.] Of or pertaining to a trial or trials; essaying; experimental. "A slow, tentative manner." Carlyle. -- Ten*ta"tive*ly, adv.

Ten*ta"tive, n. [Cf. F. tentative.] An essay; a trial; an experiment. Berkley.