/ Thesaurus / G Synonyms of gift tax Find synonyms for: Noun1. gift tax, tax, taxation, revenue enhancementusage: a tax imposed on transfers of property by gift during the lifetime of the giverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language