The phrase "come to an end" is commonly used to indicate the conclusion of an event or process. However, there are several synonyms that can be used to convey the same meaning. For example, "terminate", "conclude", "finish", "cease", "culminate", "halt", "draw to a close", "wind up", "expire" and "wrap up" are all synonyms of "come to an end". Each of these synonyms can be used to add variety and depth to your writing or speech. Choosing the appropriate synonym can also help you sound more professional and articulate, as well as keep your audience engaged.