Synonyms for Saint Louis (same or very similar meaning)
WordNet sense 1 (king of France and son of Louis VIII; he led two unsuccessful crusades; considered an ideal medieval king (1214-1270)):
Louis IX, St. LouisWordNet sense 2 (the largest city in Missouri; a busy river port on the Mississippi River near its confluence with the Missouri River; was an important staging area for wagon trains westward in the 19th century):
Gateway to the WestFrom the ODE community, based on WordNetadd/edit