The Collaborative International Dictionary of English v.0.48:

Exemplification \Ex*em`pli*fi*ca"tion\, n.
   1. The act of exemplifying; a showing or illustrating by
      example.
      [1913 Webster]

   2. That which exemplifies; a case in point; example.
      [1913 Webster]

   3. (Law) A copy or transcript attested to be correct by the
      seal of an officer having custody of the original.
      [1913 Webster]

WordNet (r) 3.0 (2006):

exemplification
    n 1: showing by example [syn: exemplification, illustration]
    2: a representational or typifying form or model [syn:
       typification, exemplification]