Source : Webster's Revised Unabridged Dictionary (1913)

Uprightness \Up"right`ness\, n.
   the quality or state of being upright.

Source : WordNet®

uprightness
     n 1: the property of being upright in posture [syn: {erectness}]
     2: position at right angles to the horizon [syn: {verticality},
         {verticalness}, {erectness}]
     3: uprightness as a consequence of being honorable and honest
        [syn: {rectitude}]