"Serve notice" is a legal term used to inform someone officially about a decision. However, there are plenty of synonyms that can be used to achieve the same outcome. "Notify," "advise," "inform," "alert," and "apprise" are just some of the many synonyms for "serve notice." Other options include "deliver a message," "give warning," "publish a declaration," "issue a decree," and "render a verdict." Choosing the right synonym depends on the context and purpose of the notice. Whether it is a legal notice, an eviction notice, or a warning of some kind, finding the appropriate synonym can help convey the message effectively.