Breadcrumb Home > Thesaurus > O Synonyms of orchestra Find synonyms for: Noun 1. orchestra, musical organization, musical organisation, musical group usage: a musical organization consisting of a group of instrumentalists including string players 2. orchestra, seating, seats, seating room, seating area usage: seating on the main floor in a theater WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of orchestra (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language