The term "high ground" is often used in literary works and in everyday conversation to describe an advantageous position or a place of safety. However, there are a variety of synonyms for this common phrase that can be used interchangeably depending on the context. Some examples include "elevated position," "strategic vantage point," "upper terrain," "summit," and "ridge line." Other options include "hilltop," "mountaintop," "cliff edge," and "plateau." The choice of synonym can help to vary the language and tone of a piece of writing, or to convey a different nuance of meaning in conversation.