/ Thesaurus / O Synonyms of october 12 Find synonyms for: Noun1. Columbus Day, Discovery Day, October 12, legal holiday, national holiday, public holidayusage: a legal holiday commemorating the discovery of America by Christopher ColumbusWordNet 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