Figuring out' is a phrase used to describe the process of understanding something, usually through careful analysis and consideration. It is often used in the context of problem-solving, as it implies that one must take the time to think through the issue in order to come to a conclusion. It can also be used to describe the process of making sense of something that is not immediately clear or obvious. In this context, 'sussing' is a synonym for 'figuring out, ' as it implies the same process of understanding something through careful thought and consideration.