Paterfamilias is a Latin term which refers to the male head of a family or household. In modern English, this term is mostly used in historical or literary contexts. However, there are many words and phrases that can be used as synonyms for paterfamilias. Some of these include patriarch, head of the family, family leader, father figure, and familial authority. These words all convey a sense of power and leadership within the family unit. Other related terms could include breadwinner, caretaker, or provider, which highlight the financial and practical responsibilities that often come with being the head of a household.