The crossword solution for the term 'Impede Legally' is ESTOP. ESTOP is a legal term that refers to the prevention of a person from taking a certain action, such as bringing a lawsuit or making a claim. It is a form of injunction that is used to prevent a person from doing something that would be detrimental to another person's rights. ESTOP is often used in cases where a person has a legal right to do something, but another person has a legal right to prevent them from doing it.