When it comes to the concept of monitoring or keeping tabs on someone, the phrase "spying on" often comes to mind. However, there are several other synonyms that can be used to convey a similar meaning without the potentially negative connotations associated with the word "spying." Some alternatives include observing, surveilling, tracking, monitoring, watching, and keeping an eye on. Whether it's to ensure safety, maintain productivity, or gather information, there are various legitimate reasons for keeping tabs on someone. By using alternative words, the act of monitoring can seem less invasive and more acceptable in certain situations.