Source : Webster's Revised Unabridged Dictionary (1913)

Worthiness \Wor"thi*ness\, n.
   The quality or state of being worthy; desert; merit;
   excellence; dignity; virtue; worth.

         Who is sure he hath a soul, unless It see, and judge,
         and follow worthiness?                   --Donne.

         She is not worthy to be loved that hath not some
         feeling of her own worthiness.           --Sir P.
                                                  Sidney.

         The prayers which our Savior made were for his own
         worthiness accepted.                     --Hooker.

Source : WordNet®

worthiness
     n : the quality or state of having merit or value [ant: {unworthiness}]