Definition of "burnishing" [burnishing]

• Present participle of burnish. (verb)

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• "Former Senate Democratic leader Tom Daschle, the authors wrote, considered Hillary an icy prima donna; her husband (who after exiting the White House often called Daschle, imploring him for help in burnishing his legacy) a narcissist on an epic scale; the dynamic between the couple, bizarre; their treatment of their friends, unforgivably manipulative and disloyal."
• "Recording superstar Beyonce Knowles is building a bankable resume for herself as an actress with Sony Screen Gems 'Obsessed as the latest title burnishing her resume."
• "The still-evolving pieces of Victorian Village's revitalization all build on the idea of burnishing that history."