Far-going is a term used to describe something that is far-reaching in its impact or significance. There are many synonyms for this term that can be used interchangeably depending on the context. For instance, the words extensive, thorough, profound, and comprehensive are all good synonyms for far-going. Other synonyms include far-reaching, all-encompassing, wide-ranging, and profound. All these terms help to convey the idea of something that is impactful and significant in its scope. Whether you're describing a policy, decision, or outcome, using one of these synonyms can add clarity and depth to your writing, allowing you to convey your meaning with greater accuracy.