The crossword solution for the term 'BAN LEGALLY' is ESTOP. ESTOP is a legal term that refers to the prevention of a person or entity from taking a certain action. It is a form of injunction that is used to prevent a party from doing something that would be detrimental to another party. ESTOP is often used in cases where one party has a legal right to do something, but another party has a legal interest in preventing it.