Synonyms of 'burnish'
The company badly needs a president who can burnish its image.
Copyright © 2016 by HarperCollins Publishers. All rights reserved.
If someone or something brightens a situation or the situation brightens, it becomes more pleasant, enjoyable, or favourable.
It is undeniable that the economic picture is brightening.
If you buff the surface of something, for example your car or your shoes, you rub it with a piece of soft material in order to make it shine.
He was already buffing the car's hubs.
Thesaurus for burnish from the Collins English Thesaurus
To burnish the image of someone or something means to improve their image.