"Going at" is an expression that is commonly used to describe the act of doing something or performing a task. However, there are various other phrases that can be used as synonyms for this term. For instance, one can use words like 'undertaking', 'pursuing', or 'engaging in' to mean "going at" something. Additionally, one can also use applicable verbs such as 'progressing', 'moving forward', or 'advancing' to convey a similar meaning. Furthermore, phrases like 'carrying out', 'executing', or 'performing' can also be used as synonyms for "going at" when discussing completing a given task, project or initiative.