Synonyms for Appetizer:

n.

accompaniment, antipasto, aperitif, crudites, relish, course, entree, cheeseboard, tidbit, delicacy, dessert. appetizer (noun)
starter, appetiser.
cocktail (noun)
aperitif.

Other synonyms:

course, dessert, crudites, cheeseboard, relish. entree, accompaniment. Other relevant words:
accompaniment, antipasto, aperitif, crudites, relish, course, entree, cheeseboard, tidbit, delicacy, dessert.