burnish
/ˈbɜrnɪʃ/ BUR-nish
Definitions
1. verb
to make something shine or look more attractive by polishing it
“She spent hours burnishing the antique furniture to bring out its true beauty.”
2. noun
the act or process of polishing or making something shine
“The burnish of years had given the painting a warm, golden glow.”
3. verb (transitive)
to praise or flatter someone in order to gain their favor or approval
“The politician burnished his image by donating to charity.”
4. noun (poetic or literary)
a shiny or lustrous appearance
“The burnish on the morning dew sparkled in the sunlight.”