/ Thesaurus / S Synonyms of seat cushion Find synonyms for: Noun1. seat cushion, cushionusage: a cushion that makes a seat more comfortableWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language