Source : Webster's Revised Unabridged Dictionary (1913)

Justness \Just"ness\, n.
   The quality of being just; conformity to truth, propriety,
   accuracy, exactness, and the like; justice; reasonableness;
   fairness; equity; as, justness of proportions; the justness
   of a description or representation; the justness of a cause.

         In value the satisfaction I had in seeing it
         represented with all the justness and gracefulness of
         action.                                  --Dryden.

   Note: Justness is properly applied to things, and justice to
         persons; but the distinction is not always observed.

   Syn: Accuracy; exactness; correctness; propriety; fitness;
        reasonableness; equity; uprightness; justice.

Source : WordNet®

justness
     n 1: conformity with some esthetic standard of correctness or
          propriety; "it was performed with justness and beauty"
          [syn: {rightness}, {nicety}]
     2: the quality of being just or fair [syn: {justice}] [ant: {injustice}]