"See it through" is a phrase that means to persist with something until the end, despite challenges or obstacles that may arise. There are several synonyms for this phrase that can be used to convey the same message. Some examples include "persevere," "stick with it," "follow through," "carry on," "finish what you've started," "stay the course," "hold on," "press on," and "push forward." These synonyms can be used in various contexts, from personal goals to professional projects, emphasizing the importance of determination and commitment in achieving success. In essence, these words all point towards the idea of staying the course, despite the challenges that may arise.