Secular humanist is a term used to describe individuals who reject religious beliefs and rely on reason and scientific knowledge to understand the world and solve its problems. Some synonyms for secular humanist include freethinker, rationalist, non-theist, atheist, and agnostic. These terms reflect a person's rejection of religious dogma and their commitment to personal freedom, autonomy, and ethics based on reason and experience. While each of these terms has its own nuances and connotations, they all share the essential principles of secular humanism, including the emphasis on critical thinking, rational inquiry, and respect for diversity and human dignity.