The most common and most likely answer to this crossword clue is the 9 letter word BURNISHED
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The straight part
We know that "With freshening rub, shined" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case with freshening rub, shined = burnished.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BURNISHED mean?
BURNISHED verb- To make smooth or shiny by rubbing; to polish; to shine.
- To shine forth; to brighten; to become smooth and glossy, as from swelling or filling out; hence, to grow large.
- (metaphoric) To make appear positive and highly respected.
- Polished, made shiny by rubbing (especially with a burnisher).
- Blazing, bright.