Hokan is a Native American language family that includes various languages spoken in California and the southwestern United States. While there aren't any exact synonyms for the word "hokan," there are related words that can help describe its meaning. For example, "indigenous" or "native" could be used in its place to refer to the aboriginal people who speak hokan languages. Additionally, "language family" or "group of languages" could be used to describe the various tongues within the hokan family. "Traditional," "ancestral," or "heritage" could also be used as synonyms for hokan to describe the cultural and linguistic significance of these languages.