There are several synonyms for the phrase "room and board" that offer a similar meaning. One such synonym is "lodging and meals." This phrase implies that someone is being provided with a place to stay and food to eat. Another synonym could be "accommodation and sustenance." This phrase is a little more formal and implies a sense of providing for someone's basic needs. "Room and lodging" is also a common phrase that conveys the idea of a place to stay. Other synonyms for "room and board" include "bed and breakfast," "shelter and food," and "overnight accommodations and meals." Regardless of the phrase used, the meaning remains the same - a place to stay and food to eat are being provided.