The most common and most likely answer to this crossword clue is the 6 letter word MODIFY
I've seen this crossword clue in Financial Times
M
O
D
I
F
Y
More clues leading to the result MODIFY
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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 MODIFY mean?
MODIFY verb- To change part of.
- To be or become modified.
- To set bounds to; to moderate.
- (grammar) To qualify the meaning of.