Webster's Revised Unabridged Dictionary · 1913

Truth

Truth , noun

[Old English treuthe, trouthe, treowpe, Anglo-Saxon treów{not transcribed}. See True; compare Troth, Betroth.]

1.
The quality or being true; as: -- (a) Conformity to fact or reality; exact accordance with that which is, or has been; or shall be.
(b)
Conformity to rule; exactness; close correspondence with an example, mood, object of imitation, or the like.
Plows, to go true, depend much on the truth of the ironwork. — Mortimer
(c)
Fidelity; constancy; steadfastness; faithfulness.
Alas! they had been friends in youth, But whispering tongues can poison truth. — Coleridge
(d)
The practice of speaking what is true; freedom from falsehood; veracity.
If this will not suffice, it must appear That malice bears down truth. — Shakespeare
2.
That which is true or certain concerning any matter or subject, or generally on all subjects; real state of things; fact; verity; reality.
Speak ye every man the truth to his neighbor. — Zech. viii. 16
I long to know the truth here of at large. — Shakespeare
The truth depends on, or is only arrived at by, a legitimate deduction from all the facts which are truly material. — Coleridge
3.
A true thing; a verified fact; a true statement or proposition; an established principle, fixed law, or the like; as, the great truths of morals.
Even so our boasting... is found a truth. — 2 Cor. vii. 14
4.
Righteousness; true religion.
Grace and truth came by Jesus Christ. — John i. 17
Sanctify them through thy truth; thy word is truth. — John xvii. 17
He that doeth truth cometh to the light. — John iii. 21
Collocations (3)
In truth , in reality; in fact.
Of a truth , in reality; certainly.
To do truth , to practice what God commands.

Truth , transitive verb

To assert as true; to declare. [Rare]
Had they [the ancients] dreamt this, they would have truthed it heaven. — Ford