Legally binding is a term used to describe an agreement or contract that is legally enforceable. The crossword solutions for this term are VALID (5 letters) and INFORCE (7 letters). Validity refers to the legal standing of an agreement, meaning that it is recognized by the law and can be enforced in a court of law. Inforce means that the agreement is actively being enforced, meaning that all parties involved must abide by the terms of the agreement. Together, these two words indicate that an agreement is legally binding and enforceable.