"Pace out" is a phrase that describes the action of measuring distance by counting steps. However, there are several synonyms that can be used instead of "pace out" to convey the same meaning or additional connotations. One synonym is "step off," which focuses on the act of stepping rather than pacing. Another alternative is "measure off," which emphasizes the method of measuring distance. Furthermore, "strides out" implies a confident or determined stride, while "tread out" may connote a more cautious or careful pace. Finally, "tramp out" can be used to describe a heavy or forceful step, while "sweep out" suggests a broad or sweeping motion with the legs.