When trying to imagine something, we often use the phrase "viewing in mind's eye" to describe the process. However, there are many other ways to express this concept using synonyms. Some alternative phrases include "visualizing," "mentally picturing," "conceiving," "imagining," and "envisaging." These synonyms all refer to the act of creating a mental image or picture of something that is not physically present. Whether you are trying to remember a person's face or envision a hypothetical scenario, using these different phrases can help you to express yourself more creatively and accurately.