At greater altitude is a term that refers to a higher elevation or altitude in relation to something else. This term could be replaced with several different synonyms depending on the context of the situation. Some possible synonyms for at greater altitude include higher up, elevated, high in the sky, lofty, or in the clouds. These words all convey a similar meaning to a location or position that is at a higher point and may be used interchangeably depending on the context. Understanding synonyms can help writers create more varied and interesting pieces of writing that capture the reader's attention.