At that point is a phrase commonly used in writing and speaking to indicate a specific moment or juncture in time. However, there are several synonyms that convey a similar meaning. One alternative phrase is "at this juncture," which suggests a turning point or pivotal moment in a situation. Another option is "at this stage," which suggests a particular phase or step in a process. Other synonyms include "in that moment," "at that instant," and "at that particular time." No matter which synonym you choose, it's important to consider the context and use the most appropriate term to convey your intended meaning effectively.