Seditiously is an adjective that describes an act of inciting rebellion against the government or authority. It is one of the most potent words that portrays an expression of rebellion. There are numerous other words that can be used to replace "seditiously," such as treacherously, rebelliously, subversively, insurrectionary, insurgent, mutinous, and revolutionary, among others. These synonyms are all excellent alternatives to "seditiously," especially in literature or political writings. To get the most accurate and effective use of these alternative words, it is important to understand their nuances and connotations and the context in which they are best used.