Nouns-- 1. Truth, fact, reality; verity, gospel, authenticity; plain, unvarnished, or naked truth; the Gospel truth; the truth, the whole truth, and nothing but the truth. Slang: the [real] McCoy, the goods. 2. Truthfullness, veracity; accuracy, exactitude; exactness, preciseness, precision.
Verbs-- 1. Be true, be the case; stand the test; hold good, hold true, have the true ring; render true, prove true, substantiate (see EVIDENCE); get at the truth (see DISCOVERY). Colloq., hold water. 2. be truthful; speak or tell the truth; not lie; speak one's mind; make a clean breast (see DISCLOSURE); cross one's heart.
Adjectives-- 1. True, factual, real, actual, existing; veritable, certain (see CERTAINTY); unimpeachable; unrefuted, unconfuted; genuine, authentic, legitimate; orthodox; pure, sound, sterling, unadultered, unvarnished, uncolored; well-grounded, well-founded; solid, substantial, tangible, valid; undistorted, undisguised; unaffected, unexaggerated, unromantic, unflattering. Colloq., all wool and a yard wide. 2. exact, accurate, definate, precise, well-defined, just, right, correct, strict; literal; undisguised; faithful, constant, unerring. 3. truthful, veracious; sincere, candid, frank, open, straightforward, aboveboard; honest, trustworthy, reliable, dependable; pure, guileless, bona fide, true blue; scrupulous, conscientious (see PROBITY).
Adverbs-- 1. truly, verily, indeed, really, in reality; with truth, certainly, actually; exactly, verbatim, word for word, literally, to the letter, chapter and verse, to an inch; to a nicety, to a hair, to a turn, to a T; niether more nor less, in every respect, in all respects; at any rate, at all events, strictly speaking. 2. truthfully, etc.; from the bottom of one's heart; honor bright.
Antonym-- see ERROR, FALSEHOOD