/ Thesaurus / J Synonyms of january 1 Find synonyms for: Noun1. Circumcision, Feast of the Circumcision, January 1, feast day, fete dayusage: (Roman Catholic Church and Anglican Church) feast day celebrating the circumcision of Jesus; celebrated on January 1st2. Solemnity of Mary, January 1, holy day of obligationusage: (Roman Catholic Church) a holy day of obligation3. New Year's Day, New Year's, January 1, legal holiday, national holiday, public holidayusage: the first day of the yearWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language