Source : Webster's Revised Unabridged Dictionary (1913)

Rectitude \Rec"ti*tude\ (r?k"t?*t?d), n. [L. rectitudo, fr.
   rectus right, straight: cf. F. rectitude. See {Right}.]
   1. Straightness. [R.] --Johnson.

   2. Rightness of principle or practice; exact conformity to
      truth, or to the rules prescribed for moral conduct,
      either by divine or human laws; uprightness of mind;
      uprightness; integrity; honesty; justice.

   3. Right judgment. [R.] --Sir G. C. Lewis.

   Syn: See {Justice}.

Source : WordNet®

rectitude
     n : uprightness as a consequence of being honorable and honest
         [syn: {uprightness}]