The term 'Just Say Yes' can be summarized by three crossword solutions: AGREE (5 letters), ASSENT (6 letters), and ACCEPT (6 letters). All three words mean to give approval or consent to something, and are often used interchangeably. AGREE is the most commonly used of the three, and is the shortest and simplest way to express agreement. ASSENT is a more formal word, and implies that the agreement is made with some degree of enthusiasm. ACCEPT is the most formal of the three, and implies that the agreement is made without any reservations.