The most common and most likely answer to this crossword clue is the 6 letter word PAYOFF
P
A
Y
O
F
F
More clues leading to the result PAYOFF
Buddy explains!

The straight part
We know that "Dénouement" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dénouement = payoff.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 PAYOFF mean?
PAYOFF noun- A payment.
- A reward.
- A bribe.
- A resolution or justification of an event that has already occurred, especially in fiction.
- Short for payoff pitch.