The most common and most likely answer to this crossword clue is the 6 plus 2 letter word EXCUSE ME
I've seen this crossword clue in The Guardian
E
X
C
U
S
E
M
E
More clues leading to the result EXCUSE ME
- Former copper and spy chief in court getting pardon
- Attention-seeker’s occasion for partner swapping?
- Can I get through dance?
- Former copper to consider accepting member’s apology for slight impropriety
- Pardon former copper using mobile in butcher’s
- I didn’t like that dance
- Hey! Make allowances for setter
- Caught with dancing muse in river, I’m sorry I have to go
- Come again! Plea made vacuously
- Ninety in Brussels seem unexpectedly sorry
Buddy explains!

The straight part
We know that "Hey/Make allowances for setter" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hey/make allowances for setter = excuse me.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.