As a prominent figure in US history, Horace Greeley is often associated with politics and journalism. Some synonyms for his name include reformer, activist, and editor. Greeley was known for advocating for the abolition of slavery, women's rights, and workers' rights. He also founded the New York Tribune, a prominent newspaper that aimed to provide unbiased and informative news to the public. Additionally, Greeley was a vocal opponent of corruption in government and supported progressive policies. His contributions to American society have made him a revered figure and an inspiration for social justice activists today.