Upleap is a powerful word that means to jump up, rise suddenly, or make an abrupt leap. It is often used metaphorically to describe a sudden increase in something, such as popularity, fame, or success. There are a variety of synonyms for upleap, depending on the context in which it is being used. Some possible similar words include soar, skyrocket, surge, shoot up, spring up, and jump. Each of these words suggests a sudden, dramatic increase in something, whether it be a physical action or a change in status or fortune. Using synonyms for upleap can help to add variety and interest to your writing, and convey a more nuanced and precise meaning.