burnishing
verb
Definitions
To make smooth or shiny by rubbing; to polish; to shine.
Example: In pottery, a stone is sometimes used to burnish a pot before firing, giving it a smooth, shiny look.
To shine forth; to brighten; to become smooth and glossy, as from swelling or filling out; hence, to grow large.
(metaphoric) To make appear positive and highly respected.
noun
Definitions
A polishing.