The crossword solution for the term 'GUAC GO-WITH' is 'NACHO, ' which is a Mexican dish consisting of tortilla chips covered with melted cheese and other toppings such as salsa, guacamole, and sour cream. Guacamole is a traditional Mexican dip made from mashed avocados, onions, tomatoes, and spices, and is often served as a side dish or condiment. Therefore, 'NACHO' is an appropriate answer to the clue 'GUAC GO-WITH, ' as it is a dish that is commonly served with guacamole.