Merriam-Webster Online Dictionary
restaurant (noun) a business establishment where meals or refreshments may be purchased
Merriam-Webster Online Thesaurus
restaurant (noun)a public establishment where meals are served to paying customers for consumption on the premises
SYNONIMS:
beanery, café ( cafe), caff, diner, eatery, grillRELATED WORDS:
cafeteria, lunch counter, luncheonette, lunchroom, snack bar; greasy spoon, hash house; chophouse, steak house; pizzeria; coffeehouse, coffee shop, estaminet, teahouse, tearoom, tea shop []; bar, barroom, inn, tavern