redemonstrate

from The Collaborative International Dictionary of English v.0.48

Redemonstrate \Re*dem"on*strate\ (r?*d?m"?n*str?t or
   r?`d?*m?n"-str?t), v. t.
   To demonstrate again, or anew.
   [1913 Webster]

         Every truth of morals must be redemonstrated in the
         experience of the individual man before he is capable
         of utilizing it as a constituent of character or a
         guide in action.                         --Lowell.
   [1913 Webster]