The most common and most likely answer to this crossword clue is the 6 letter word ACQUIT
I've seen this crossword clue in The Sunday Telegraph
A
C
Q
U
I
T
More clues leading to the result ACQUIT
- First two of accused left, free of all charges
- Discharge Roman who’s caught in flagrante?
- Clear desert after Adriatic drained
- Clear lack of intelligence loses case, without question
- Clear account and retire
- Where money’s deposited and left free of charge
- Clear area 100 left
- Clear area 100 ceased to occupy
- A Conservative getting together with left, it’s clear
- Amateur clubs almost completely free
Buddy explains!

The straight part
We know that "clear" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case clear = acquit.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 ACQUIT mean?
ACQUIT verb- To declare or find innocent or not guilty.
- To discharge (for example, a claim or debt); to clear off, to pay off; to fulfil.
- Followed by of (and formerly by from): to discharge, release, or set free from a burden, duty, liability, or obligation, or from an accusation or charge.
- To bear or conduct oneself; to perform one's part.
- To clear oneself.
- To release, to rescue, to set free.
- To pay for; to atone for.