Descent on is a term that could be interpreted in different ways; it could mean coming down from a height or mountain, attacking someone or something, or making a sudden appearance. Several synonyms could be used to replace the term depending on the context. For instance, assault, invade, storm, or raid could be used to replace descent on when referring to attacking someone or something. Other synonyms such as arrive, land, touch down, or alight could be used when referring to suddenly appearing on a scene. In conclusion, the synonyms for descent on are diverse and could be used interchangeably depending on the context.