The most common and most likely answer to this crossword clue is the 7 letter word FUNERAL
I've seen this crossword clue in The Times
F
U
N
E
R
A
L
More clues leading to the result FUNERAL
- Nice individual embroiled in wild ceremony
- Cremation or perhaps burial, if fuel ran out
- Ostentatious flâneur one’s seen off on this occasion
- Retiring Greek character garlanded with wild send-off
- Rock fan rule: everyone wears black here
- Posthumous ceremony that’s real fun? Not quite!
- A grave occasion for peace keepers in the wild
- Savage welcomes United Nations' interment
- Recreational drug artist left as final farewell
Buddy explains!

The straight part
We know that "ceremony" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ceremony = funeral.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 FUNERAL mean?
FUNERAL noun- A ceremony to honour and remember a deceased person. Often distinguished from a memorial service by the presence of the body of the deceased.
- (chiefly in the plural) A funeral sermon.
- Of or relating to a funeral.
- Similar to a funeral in mood; dignified or solemn.