The most common and most likely answer to this crossword clue is the 10 letter word ACCOMPLISH
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More clues leading to the result ACCOMPLISH
Buddy explains!

The straight part
We know that "Manage to pull off" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case manage to pull off = accomplish.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 ACCOMPLISH mean?
ACCOMPLISH verb- To finish successfully.
- To complete, as time or distance.
- To execute fully; to fulfill; to complete successfully.
- To equip or furnish thoroughly; hence, to complete in acquirements; to render accomplished; to polish.
- To gain; to obtain.
- (Philippine English) to fill out a form