To make something shiny or smooth by rubbing it.

To improve or refine something.

सुधारना

English Usage: The artist needed to repolish the final draft of his painting before the exhibition.

Hindi Usage: कलाकार को प्रदर्शनी से पहले अपनी चित्रकला का अंतिम मसौदा सुधारने की आवश्यकता थी।