The most common and most likely answer to this crossword clue is the 8 letter word ABSOLVED
I've seen this crossword clue in The Times
A
B
S
O
L
V
E
D
Buddy explains!

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 ABSOLVED mean?
ABSOLVED verb- To set free, release or discharge (from obligations, debts, responsibility etc.).
- To resolve; to explain; to solve.
- To pronounce free from or give absolution for a penalty, blame, or guilt.
- To pronounce not guilty; to grant a pardon for.
- To grant a remission of sin; to give absolution to.
- To remit a sin; to give absolution for a sin.
- To finish; to accomplish.
- To pass a course or test; to gain credit for a class; to qualify academically.