rightfulness

from WordNet (r) 3.0 (2006)

rightfulness
    n 1: anything in accord with principles of justice; "he feels he
         is in the right"; "the rightfulness of his claim" [syn:
         {right}, {rightfulness}] [ant: {wrong}, {wrongfulness}]

from The Collaborative International Dictionary of English v.0.48

Rightfulness \Right"ful*ness\, n.
   1. The quality or state of being rightful; accordance with
      right and justice.
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   2. Moral rectitude; righteousness. [Obs.] --Wyclif.
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            We fail of perfect rightfulness.      --Sir P.
                                                  Sidney.
      [1913 Webster]