/ Thesaurus / A Synonyms of admission day Find synonyms for: Noun1. Admission Day, dayusage: in some states of the United States: a legal holiday commemorating the day the state was admitted to the UnionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language