The most common and most likely answer to this crossword clue is the 5 letter word SUPRA
S
U
P
R
A
Buddy explains!

The straight part
We know that "above" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case above = supra.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 SUPRA mean?
SUPRA adverb- Used to indicate that the current citation is from the same source as the previous one.
- A traditional Georgian feast.