The study of language in relation to its sociocultural context WordNet 3.0 & Open English WordNet

Sociolinguistics is the descriptive study of the effect of any or all aspects of society, including cultural norms, expectations, and context, on language and the ways it is used. Wikipedia

Study of language use and its effects on society Wikidata

The scientific study of the way language is used regarding all aspects of society, including cultural norms, expectations, and context. It also studies sociolects, language variants separated by certain social variables, such as ethnicity, religion, status, gender and level of education. OmegaWiki

The study of social and cultural effects on language and vice-versa. Wiktionary

The study of social and cultural effects on language. Wiktionary (translation)