/ Thesaurus / B Synonyms of buckbean family Find synonyms for: Noun1. Menyanthaceae, family Menyanthaceae, buckbean family, dicot family, magnoliopsid familyusage: a dicotyledonous family of marsh plants of order GentianalesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language