The phrase "de mense" is Dutch for "the people" and there are several synonyms for this term. One commonly used synonym is "de bevolking," which translates to "the population." Another option is "de burgers," which can be translated to "the citizens." "De gemeenschap" is another synonym that can be used to refer to a community or society of people. The word "volk" is also a possible synonym for "de mense" that can refer to a group of people or a nation. These terms are all interchangeable and can be used depending on the context and tone of the conversation or written text.