The most common and most likely answer to this crossword clue is the 10 letter word RETRACTION
I've seen this crossword clue in The Daily Telegraph
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More clues leading to the result RETRACTION
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 RETRACTION mean?
RETRACTION noun- An act or instance of retracting.
- A statement printed or broadcast in a public forum which effects the withdrawal of an earlier assertion, and which concedes that the earlier assertion was in error.
- A continuous function from a topological space onto a subspace which is the identity on that subspace.