There are numerous synonyms for the phrase "time out", which is commonly known as a disciplinary measure for children. Some alternatives to "time out" include "cooling off period", "break", "pause", "respite", "interruption", and "rest". Other phrases that suggest a time for reflection or reconsideration include "recess", "time away", "timeout corner", "timeout space", "quiet time", and "me time". Some of these phrases could be used in a professional setting or for personal self-care as well. However, it's important to note that each synonym has its own unique connotations and applications, so care should be taken to use the right word for the right context.