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]

Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "exemplification":
   allegorization, alphabet, art, blueprint, case, case in point,
   charactering, characterization, chart, choreography, citation,
   clarification, conventional representation, cracking,
   cross reference, dance notation, decipherment, decoding,
   delineation, demonstration, demythologization, depiction,
   depictment, diagram, drama, drawing, editing, elucidation, emblem,
   emendation, enlightenment, euhemerism, example, exegesis, exemplar,
   explanation, explication, exponent, exposition, expounding,
   figuration, hieroglyphic, iconography, ideogram, illumination,
   illustration, imagery, imaging, instance, item, letter, light,
   limning, logogram, logograph, map, musical notation, notation,
   object lesson, particular, pictogram, picturization, plan,
   portraiture, portrayal, prefigurement, presentment, printing,
   projection, quotation, rationale, realization, reason, reference,
   relevant instance, rendering, rendition, representation,
   representative, schema, score, script, simplification, solution,
   syllabary, symbol, tablature, type, typical example, unlocking,
   writing



Bouvier's Law Dictionary, Revised 6th Ed (1856):

EXEMPLIFICATION, evidence. A perfect copy of a record, or office book
lawfully kept, so far as relates to the matter in question. 3 Bouv. Inst. n.
3107. Vide, generally, 1 Stark. Ev. 151; 1 Phil. Ev. 307; 7 Cranch, 481; 3
Wheat. 234; 10 Wheat. 469; 9 Cranch, 122; 2 Yeates, 532; 1 Hayw. 359; 1
John. Cas. 238. As to the mode of authenticating records of other states,
see articles Authentication, and Evidence.