The most common and most likely answer to this crossword clue is the 8 letter word UPMARKET
I've seen this crossword clue in The Guardian
U
P
M
A
R
K
E
T
More clues leading to the result UPMARKET
- Demanding higher prices at college fair
- Stylish and posh, favourite clothing brand
- Prize pup, not first, on sale
- Quality rare rump steak with no end of jus
- At college, team training around sides of rink is superior
- Posh posh companion's impression? Boring...
- Breakfast food given to royaltaken by high-income consumers
Buddy explains!

The straight part
We know that "Stylish" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stylish = upmarket.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 UPMARKET mean?
UPMARKET verb- To make or become upmarket.
- Designed for customers with a high income.
- Towards the more expensive end of the market.