/ Thesaurus / T Synonyms of trustfulness Find synonyms for: Noun1. trust, trustingness, trustfulness, traitusage: the trait of believing in the honesty and reliability of others; "the experience destroyed his trust and personal dignity"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language