The First Amendment to the United States Constitution guarantees the fundamental rights of speech, religion, press, assembly, and petition. There are several synonyms for the First Amendment that you may come across in legal documentation or discussions. Some common synonyms include the Freedom of Speech Amendment, the Free Expression Amendment, the Free Speech Amendment, and the Freedom of Religion Amendment. Regardless of the terminology used, the First Amendment has played a vital role in protecting the basic rights of American citizens, and it remains an essential pillar of the country's democratic principles and values.