Shine, polish or sparkle.

“He polished the brass doorknob to a high luster.”

By extension, brilliance, attractiveness or splendor.

“After so many years in the same field, the job had lost its luster.”

Refinement, polish or quality.

“He spoke with all the lustre a seasoned enthusiast should have.”

To gleam, have luster.

To give luster, distinguish.

To give a coating or other treatment to impart physical luster.