Jevons je·vons UK/ˈd͡ʒɛvənz/ uncommon noun 1. English economist and logician who contributed to the development of the theory of marginal utility (1835-1882) SynonymsWilliam Stanley Jevons Related words Broader terms economistlogician WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved.