SETTABLE' (7 letters) The two crossword solutions for the term 'Prepare for Dinner, Say' are 'Washup' (6 letters) and 'Settable' (7 letters). Washing up is a common chore that is done before dinner, as it involves cleaning dishes and utensils that have been used to prepare the meal. Settable is a term used to describe a table that has been set with plates, cutlery, and other items needed for a meal. Therefore, both of these terms can be used to describe the process of preparing for dinner.