The most common and most likely answer to this crossword clue is the 9 letter word COLLEGIAL
I've seen this crossword clue in Financial Times
C
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More clues leading to the result COLLEGIAL
Buddy explains!

The straight part
We know that "in an academic setting" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in an academic setting = collegial.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 COLLEGIAL mean?
COLLEGIAL adjective- Of, relating to, or ruled by colleagues.
- Ruled by bishops having equal power.
- Of or relating to a college or its students; collegiate.
- Possessing adherence to the ethos, standards and conduct that govern behavior among colleagues within a given organization or profession.