The most common and most likely answer to this crossword clue is the 9 letter word DRINKABLE
D
R
I
N
K
A
B
L
E
More clues leading to the result DRINKABLE
Buddy explains!
The straight part
We know that "as a half-decent wine" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case as a half-decent wine = drinkable.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 DRINKABLE mean?
DRINKABLE noun- (chiefly in the plural) That which can be drunk.
- Able to be drunk (as liquid).
- (of water) Safe to drink.
- (of an alcoholic beverage, especially wine) Of good or satisfactory quality.