/ Thesaurus / H Synonyms of have down Find synonyms for: Verb1. have down, knowusage: have (something) mastered; "She has the names of the fifty states down pat"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: benevolent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language