"At that moment" is a phrase that indicates a specific time or point in a sequence of events. It is often used to emphasize a particular action or thought. However, this phrase can be overused in writing, leading to a repetitive tone. To avoid this, it is useful to have a variety of synonyms to replace "at that moment." Some alternatives include "at that time," "in that instant," "at that point," "in that moment," or "at the same time." These phrases help to add variety and depth to your writing while also ensuring it remains clear and concise.