The most common and most likely answer to this crossword clue is the 7 letter word ARRAIGN
I've seen this crossword clue in The Guardian
A
R
R
A
I
G
N
More clues leading to the result ARRAIGN
- Call to account US soldier over in Scottish isle
- Complain about a heavenly fall in conversation
- Ring Arab without final roaming charge
- A right shower said to be put on trial
- After review again securing rights for charge
- Maybe between 1820 and 1830 reportedly put on trial
- Incriminate a regime in a radio broadcast
- A rule cited to make an accusation
- Impeach, as a restraint, in hearing
- Bring action against revolutionary soldier invading Scottish isle
Buddy explains!

The straight part
We know that "Incriminate" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case incriminate = arraign.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 ARRAIGN mean?
ARRAIGN noun- Arraignment.
- To officially charge someone in a court of law.
- To call to account, or accuse, before the bar of reason, taste, or any other tribunal.