Answer: setupon

AnswerCrossword Clue
SETUPONHave at
SETUPONAttack
SETUPONAssail violently.
SETUPONAssail.
SETUPONAttack with violence.
SETUPONAttack.
SETUPONAttack to pen us
SETUPONBesiege