Going through with is a common phrase that means to complete a task or follow through with a decision. There are several synonyms for this term which can be useful for adding variety to your writing or speech. Some examples include carrying out, executing, fulfilling, accomplishing, and implementing. Other synonyms for going through with include finalizing, concluding, binding oneself to, and seeing something through. Depending on the context, other options could include pushing forward, proceeding with, and taking action. Whatever synonym you use, the key is to convey the sense of commitment to seeing something through to completion or fruition.