/ Thesaurus / E Synonyms of exponential function Find synonyms for: Noun1. exponential, exponential function, function, mathematical function, single-valued function, map, mappingusage: a function in which an independent variable appears as an exponentWordNet 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