/ Thesaurus / F Synonyms of family dennstaedtiaceae Find synonyms for: Noun1. Dennstaedtiaceae, family Dennstaedtiaceae, fern familyusage: one of a number of families into which Polypodiaceae has been subdivided in some classification systemsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language