The Collaborative International Dictionary of English v.0.48:

Ampliate \Am"pli*ate\, v. t. [L. ampliatus, p. p. of ampliare to
   make wider, fr. amplus. See Ample.]
   To enlarge. [R.]
   [1913 Webster]

         To maintain and ampliate the external possessions of
         your empire.                             --Udall.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ampliate \Am"pli*ate\, a. (Zool.)
   Having the outer edge prominent; said of the wings of
   insects.
   [1913 Webster]