There are a variety of synonyms for the term "all-American" that capture the essence of what the phrase represents. Some possible options include "quintessentially American," "typically American," "patriotic," "flag-waving," "apple-pie," and "heartland." These terms convey a feeling of genuine Americanism, embodying the country's core values and cultural identity. They evoke imagery of small towns, baseball games, and Fourth of July parades. Additionally, terms such as "Americana" or "traditional American" can convey a sense of nostalgia or a longing for simpler times. Overall, these synonyms highlight the unique aspects of American culture and its enduring place in the world.