The phrase "entrench on" refers to taking over or dominating a space, often by force or through established authority. Some synonyms for this phrase include "encroach on," "invade," "infringe on," "trespass on," and "violate." These terms all relate to an individual or entity taking control of an area or situation without permission or in an aggressive manner. It is important to be aware of these synonyms in order to clearly articulate ideas and actions in a variety of contexts, such as in legal, political, or personal settings. Using a variety of synonyms can also help to avoid repetitive language and improve overall communication.