/ Thesaurus / M Synonyms of master plan Find synonyms for: Noun1. master plan, plan, program, programmeusage: a long-term outline of a project or government function; "the zoning board adopted a master plan for the new development"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: innocuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language