The most common and most likely answer to this crossword clue is the 10 letter word STRAIGHTEN
I've seen this crossword clue in Financial Times
S
T
R
A
I
G
H
T
E
N
More clues leading to the result STRAIGHTEN
- Adjust shattering moves
- Shattering rocks put in alignment?
- The ratings wrong, put things right
- The ratings are misleading: fix what’s bent
- Tidy and mostly set right mess
- Shape as right, figure put right
- Adjust rate and things should be different
- Tidy up after shattering into pieces
- Tidy up for artist in small, tight space
- Shattering exercises to unwind
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 STRAIGHTEN mean?
STRAIGHTEN verb- To cause to become straight.
- To become straight.
- To put in order; to sort; to tidy up.
- To clarify a situation or concept to (an audience).
- To bribe or corrupt.
- To stand up, especially from a sitting position.