Breadcrumb Home > Thesaurus > F Synonyms of factorial Find synonyms for: Noun 1. factorial, product, mathematical product usage: the product of all the integers up to and including a given integer; "1, 2, 6, 24, and 120 are factorials" Adjective 1. factorial usage: of or relating to factorials WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of factorial (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: fatuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language