Source : Webster's Revised Unabridged Dictionary (1913)

Dispositively \Dis*pos"i*tive*ly\, adv.
   In a dispositive manner; by natural or moral disposition.
   [Obs.] --Sir T. Browne.

         Do dispositively what Moses is recorded to have done
         literally, . . . break all the ten commandments at
         once.                                    --Boyle.