/ Thesaurus / T Synonyms of throttle valve Find synonyms for: Noun1. accelerator, throttle, throttle valve, valveusage: a valve that regulates the supply of fuel to the engineWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language