The most common and most likely answer to this crossword clue is the 9 letter word COSTUMIER
I've seen this crossword clue in Financial Times
C
O
S
T
U
M
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E
R
More clues leading to the result COSTUMIER
- Outfitter Tom Cruise used
- Clothes designer more comfortable holding in stomach
- Tom Cruise, extravagantly theatrical dresser
- 29 Tom Cruise is cast as an outfitter
- Tom Cruise is dressed by this person
- French dresser Tom Cruise ordered
- Tom Cruise becomes a specialist outfitter
- Tom Cruise arranged for theater job
Buddy explains!

The straight part
We know that "Outfitter" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case outfitter = costumier.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 COSTUMIER mean?
COSTUMIER noun- A person who supplies or designs costumes.