The most common and most likely answer to this crossword clue is the 9 letter word CENTENARY
I've seen this crossword clue in The Daily Telegraph
C
E
N
T
E
N
A
R
Y
More clues leading to the result CENTENARY
- Church conservators never hosting Eastern anniversary
- Any centre could be used for celebration
- Rebuilt entrance ahead of year that’s special anniversary
- Make dramatic entrance year after special occasion
- Time like today to commemorate big event — possibly recent? Nay
- Cast in audition, Mrs Sharples trains for big occasion …
- Building entrance unknown for a long time
Buddy explains!
The straight part
We know that "special occasion" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case special occasion = centenary.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 CENTENARY mean?
CENTENARY adjective- Of, pertaining to, or completing a period of 100 years.
- Relating to a hundred of anything.
- The hundredth anniversary of an event or happening.