/ Thesaurus / F Synonyms of fountain of youth Find synonyms for: Noun1. Fountain of Youth, spring, fountain, outflow, outpouring, natural springusage: a fountain described in folk tales as able to make people young again; "Ponce de Leon discovered Florida while searching for the Fountain of Youth"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language