The most common and most likely answer to this crossword clue is the 10 letter word SATURNALIA
I've seen this crossword clue in The Guardian
S
A
T
U
R
N
A
L
I
A
More clues leading to the result SATURNALIA
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 SATURNALIA mean?
SATURNALIA noun- A period or occasion of general license, in which the passions or vices have riotous indulgence; a period of unrestrained revelry.