The phrase "go through with" means to complete an action or plan despite challenges or obstacles. There are several synonyms for this phrase, including "follow through," "carry out," "execute," "fulfill," "accomplish," and "implement." All of these words express the idea of seeing a task or project through to the end, even if there are difficulties along the way. Other related terms include "persevere," meaning to persist despite obstacles, and "adhere to," meaning to stick to a particular course of action or plan. No matter what word you choose, the important thing is to stay committed to your goals and see them through to the end, no matter what challenges arise.