polished

To shine; to make a surface very smooth or shiny by rubbing, cleaning, or grinding.

“He polished up the chrome until it gleamed.”

To refine; remove imperfections from.

“The band has polished its performance since the last concert.”

To apply shoe polish to shoes.

To become smooth, as from friction; to receive a gloss; to take a smooth and glossy surface.

“Steel polishes well.”

To refine; to wear off the rudeness, coarseness, or rusticity of; to make elegant and polite.

Made smooth or shiny by polishing.

“polished shoes”

Refined, elegant.

“a polished performance”