There is no direct synonym for the phrase "study at brave," but there are several words that can be used to describe the act of studying with courage or determination. Some synonyms that come to mind include researching, learning, investigating, delving into, exploring, scrutinizing, and analyzing. These words all describe the process of gaining knowledge and understanding through diligent effort and focused attention. To study at brave means to approach the pursuit of knowledge with a fearless determination, pushing past challenges and obstacles in order to achieve a deeper understanding of the subject matter. In essence, studying at brave is synonymous with being a tenacious and persistent learner.