The most common and most likely answer to this crossword clue is the 8 letter word CLOSURES
I've seen this crossword clue in The Daily Telegraph
C
L
O
S
U
R
E
S
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 CLOSURES mean?
CLOSURES noun- An event or occurrence that signifies an ending.
- A feeling of completeness; the experience of an emotional conclusion, usually to a difficult period.
- A device to facilitate temporary and repeatable opening and closing.
- An abstraction that represents a function within an environment, a context consisting of the variables that are both bound at a particular time during the execution of the program and that are within the function's scope.
- The smallest set that both includes a given subset and possesses some given property.
- (of a set) The smallest closed set which contains the given set.
- The act of shutting; a closing.
- That which closes or shuts; that by which separate parts are fastened or closed.
- That which encloses or confines; an enclosure.
- A method of ending a parliamentary debate and securing an immediate vote upon a measure before a legislative body.
- The process whereby the reader of a comic book infers the sequence of events by looking at the picture panels.