Source : Webster's Revised Unabridged Dictionary (1913)

Correctness \Cor*rect"ness\, n.
   The state or quality of being correct; as, the correctness of
   opinions or of manners; correctness of taste; correctness in
   writing or speaking; the correctness of a text or copy.

   Syn: Accuracy; exactness; precision; propriety.

Source : WordNet®

correctness
     n 1: conformity to fact or truth [syn: {rightness}] [ant: {incorrectness},
           {incorrectness}]
     2: conformity to social expectations [ant: {incorrectness}]