case in point

from WordNet (r) 3.0 (2006)

case in point
    n 1: an example that is used to justify similar occurrences at a
         later time [syn: {precedent}, {case in point}]

from Moby Thesaurus II by Grady Ward, 1.0

22 Moby Thesaurus words for "case in point":
      case, citation, cross reference, demonstration, emblem, example,
      exemplar, exemplification, explanation, exponent, illustration,
      instance, item, object lesson, particular, quotation, reference,
      relevant instance, representative, symbol, type, typical example