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. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: eponymous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language