Have a Feast is an expression used to describe a celebratory meal or gathering. The term can be broken down into three crossword solutions: EAT (3 letters), REGALE (6 letters), and DINE (4 letters). Eating is the most basic form of consuming food, while regaling is a more elaborate form of entertaining with food, and dining is a formal meal. Together, these three words represent the idea of having a festive meal or gathering.