| Truthful (a.) Full of truth; veracious; reliable. Thesaurus Entries accurate, actual, ascertained, attested, authenticated, candid, categorically true, certain, certified, confirmed, corroborated, demonstrated, determined, documentary, earnest, effectual, established, factual, faithful, forthright, frank, historical, honest, not in error, objectively true, proved, real, realistic, reliable, sincere, straightforward, substantiated, sure-enough, TRUE, true as gospel, true to life, true-meaning, true-speaking, true-tongued, trustworthy, truth-bearing, truth-declaring, truth-desiring, truth-filled, truth-guarding, truth-loving, truth-passing, truth-speaking, truth-telling, unconfuted, undenied, undoubted, unembellished, unerroneous, unfallacious, unfalse, unmistaken, unquestionable, unrefuted, unvarnished, validated, veracious, veridical, verified, veritable | ![]() |