/ Thesaurus / L Synonyms of laffer curve Find synonyms for: Noun1. Laffer curve, graph, graphical recordusage: a graph purporting to show the relation between tax rates and government income; income increases as tax rates increase up to an optimum beyond which income declinesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language