सुधार — betterment (Noun)
प्रगति — betterment (Noun)
उन्नति — betterment (Noun)
betterment — प्रगति]उन्नति]सुधार
Betterment — A making better; amendment; improvement.
Betterment — An improvement of an estate which renders it better than mere repairing would do; -- generally used in the plural.