[1] : The Collaborative International Dictionary of English v.0.48

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.
   1913 webster

         in value the satisfaction i had in seeing it
         represented with all the justness and gracefulness of
         action.                                  --dryden.
   1913 webster

   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.
        1913 webster

[2] : WordNet (r) 2.0

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
see also:
rightness nicety justice injustice 

Justness >> J Words
Justness, definition of term: Justness
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