Source : Webster's Revised Unabridged Dictionary (1913)

Pertinence \Per"ti*nence\, Pertinency \Per"ti*nen*cy\, n. [Cf.
   F. pertinence. See {Pertinent}.]
   The quality or state of being pertinent; justness of relation
   to the subject or matter in hand; fitness; appositeness;
   relevancy; suitableness.

         The fitness and pertinency of the apostle's discourse.
                                                  --Bentley.

Source : WordNet®

pertinency
     n : relevance by virtue of being applicable to the matter at
         hand [syn: {applicability}, {pertinence}] [ant: {inapplicability}]