Source : Webster's Revised Unabridged Dictionary (1913)

Noble-minded \No"ble-mind`ed\, a.
   Having a noble mind; honorable; magnanimous. --
   {No"ble-mind`ed*ness}, n.

Source : WordNet®

noble-mindedness
     n : elevated ideals or conduct; the quality of believing that
         ideals should be pursued [syn: {high-mindedness}, {idealism}]