The Collaborative International Dictionary of English v.0.48:

Revertive \Re*vert"ive\, a.
   Reverting, or tending to revert; returning. --
   Re*vert"ive*ly, adv.
   [1913 Webster]

         The tide revertive, unattracted, leaves
         A yellow waste of idle sands behind.     --Thomson.
   [1913 Webster]