/ Thesaurus / A Synonyms of ascension day Find synonyms for: Noun1. Ascension, Ascension Day, Ascension of the Lord, holy day of obligationusage: (Christianity) celebration of the Ascension of Christ into heaven; observed on the 40th day after EasterWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language