The most common and most likely answer to this crossword clue is the 10 letter word REGENERATE
I've seen this crossword clue in The Times
R
E
G
E
N
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A
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E
Buddy explains!
The straight part
We know that "morally reformed" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case morally reformed = regenerate.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 REGENERATE mean?
REGENERATE verb- To construct or create anew, especially in an improved manner.
- To revitalize.
- To replace lost or damaged tissue.
- To become reconstructed.
- To undergo a spiritual rebirth.
- Spiritually reborn.
- Reproduced.