Breadcrumb Home > Thesaurus > P Synonyms of peace lily Find synonyms for: Noun1. spathiphyllum, peace lily, spathe flower, flowerusage: any of various plants of the genus Spathiphyllum having a white or green spathe and a spike of fragrant flowers and often cultivated as an ornamentalWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: taradiddle Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language