Pope Alexander VI was a notorious figure in history, known for his corruption and scandalous behavior. Some synonyms that could be used to describe him include: notorious, infamous, corrupt, scandalous, deceitful, immoral, controversial, and unscrupulous. These words all convey a sense of negative connotation, highlighting the negative aspects of Alexander VI's reign as pope. Other words that could be used to describe his legacy might include words related to his excess, such as luxurious or extravagant, or words related to his power, such as authoritarian or despotic. Regardless of the specific words that one might use to describe him, there is no doubt that Pope Alexander VI remains a divisive and notorious figure in history.