/ Thesaurus / F Synonyms of factor in Find synonyms for: Verb1. factor, factor in, factor out, study, considerusage: consider as relevant when making a decision; "You must factor in the recent developments"2. factor, factor in, factor out, calculate, cipher, cypher, compute, work out, reckon, figureusage: resolve into factors; "a quantum computer can factor the number 15"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language