The most common and most likely answer to this crossword clue is the 8 letter word NUPTIALS
I've seen this crossword clue in Independent
N
U
P
T
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A
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S
More clues leading to the result NUPTIALS
- In pulpit, miracles alternating with weddings
- Make arrangement for suit and plan for wedding
- Terribly plain suit one rejected for wedding
- Wedding list a problem after joke backfires
- Lust and pain marred wedding ceremony
- Conversion of Saint Paul, short of a romantic ceremony
- Union celebrations
- Marriage plan with suit ordered
- US IT plan perturbed union
- Wedding ceremony — groom plans it around mid-January
Buddy explains!

The straight part
We know that "wedding" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wedding = nuptials.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 NUPTIALS mean?
NUPTIALS noun- A wedding ceremony.