There are many synonyms for the phrase "baby sit" that can be used to describe the act of caring for children. Some common alternatives include: watch, tend, mind, supervise, guard, monitor, oversee, look after, care for, and nurture. Each of these words convey a slightly different meaning and approach to childcare. For example, "supervise" implies a more formal and structured approach, while "nurture" emphasizes the caregiver's role in providing emotional support and development. Using different synonyms can add variety and precision to your language, and help you better express the nuances of your experience as a caregiver.