Cryptic crossword clue
Hones cryptic setting to produce brilliant display 12

The most common and most likely answer to this crossword clue is the 12 letter word PYROTECHNICS

I've seen this crossword clue in The Guardian
P
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Buddy explains!

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 PYROTECHNICS mean?

PYROTECHNICS noun
  1. The art and technology of fireworks and related military applications.
  2. A display of fireworks.
  3. An impressive display.

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