The most common and most likely answer to this crossword clue is the 6 letter word LIFTED
I've seen this crossword clue in Independent
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More clues leading to the result LIFTED
Buddy explains!

The straight part
We know that "stolen" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stolen = lifted.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 LIFTED mean?
LIFTED verb- To raise or rise.
- To steal.
- To source directly without acknowledgement; to plagiarise.
- To arrest (a person).
- To remove (a ban, restriction, etc.).
- To alleviate, to lighten (pressure, tension, stress, etc.)
- To cause to move upwards.
- To lift weights; to weight-lift.
- To try to raise something; to exert the strength for raising or bearing.
- To elevate or improve in rank, condition, etc.; often with up.
- To bear; to support.
- To collect, as moneys due; to raise.
- To transform (a function) into a corresponding function in a different context.
- To buy a security or other asset previously offered for sale.
- Raised up; held aloft.
- Stolen.