The crossword solution for the term AGREEMENT FORMAL is DRESSY, which is a six-letter word. An agreement formal is a type of contract that is legally binding and requires both parties to adhere to the terms of the agreement. DRESSY is an adjective that describes something that is appropriate for a formal occasion, such as a wedding or a business meeting. Therefore, DRESSY is an appropriate word to describe an agreement formal, as it implies that the agreement is serious and should be taken seriously.