Acrolect is a term used in linguistics to refer to the form of a language that is considered the highest or most prestigious. It is often associated with the language spoken by educated or upper-class individuals. Synonyms for acrolect include standard language, prestige dialect, high variety, and formal language. These terms all refer to a language variation that is considered correct, proper, or superior to other variations. In contrast, the opposite of acrolect is basilect, which refers to the dialect or language of a less prestigious or socially marginalized group. Synonyms for basilect include vernacular, non-standard language, colloquial language, and dialect.