The most common and most likely answer to this crossword clue is the 4 plus 3 plus 7 letter word BURY THE HATCHET
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More clues leading to the result BURY THE HATCHET
- Stop fighting that butchery he spread
- Ground the chopper, conflict being over
- End hostilities but conceal evidence of murder weapon?
- Floundering, but they reach almost the end row
- Stop fighting, polish up still, hiding where the drink goes
- “Lay to rest”, he interrupts ex-PM briefly. “Time to stop the war”
- What to do when no longer having an axe to grind?
- Be an axe murderer — or make peace?
- Chat by hut there in order to end a dispute
- Butchery that he set in motion, should we forget and forgive?
Buddy explains!

The straight part
We know that "forget and forgive" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case forget and forgive = bury the hatchet.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.