/ Thesaurus / J Synonyms of james buchanan Find synonyms for: Noun1. Buchanan, James Buchanan, President Buchananusage: 15th President of the United States (1791-1868)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language