The term 'DON't Waive' can be summarized as a command to ENFORCE something. The crossword solution for this term is 'ENFORCE', which is a seven-letter word meaning to make sure that rules or laws are obeyed. This could refer to enforcing a contract, a law, or any other agreement. It is important to remember that when someone is told to 'DON't Waive' something, they must take action to ensure that the rules or laws are followed.