/ Thesaurus / S Synonyms of set decoration Find synonyms for: Noun1. set decoration, decoration, ornament, ornamentationusage: a decoration used as part of the set of a theatrical or movie productionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language