Noun

(order of senses) (en-noun)

The state or quality of being true to someone or something.

(label) Faithfulness, fidelity.

* (Samuel Taylor Coleridge) (1772-1834)

Alas! they had been friends in youth, / But whispering tongues can poison truth .

(label) A pledge of loyalty or faith.

True facts, genuine depiction or statements of reality.

* (Samuel Taylor Coleridge) (1772-1834)

The truth depends on, or is only arrived at by, a legitimate deduction from all the facts which are truly material.

*{{quote-magazine, date=2014-06-21, volume=411, issue=8892, magazine=(The Economist)

, title= Magician’s brain , passage=The truth is that [Isaac] Newton was very much a product of his time. The colossus of science was not the first king of reason, Keynes wrote after reading Newton’s unpublished manuscripts. Instead “he was the last of the magicians”.}}

Conformity to fact or reality; correctness, accuracy.

* {{quote-magazine, date=2012-01, author=Robert M. Pringle, volume=100, issue=1, page=31, magazine=(American Scientist), title= How to Be Manipulative

, passage=As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.}}

Conformity to rule; exactness; close correspondence with an example, mood, model, etc.

* John Mortimer (1656?-1736)

Ploughs, to go true, depend much on the truth of the ironwork.

That which is real, in a deeper sense; spiritual or ‘genuine’ reality.

* 1820 , (John Keats), (Ode on a Grecian Urn)

Beauty is truth', ' truth beauty, - that is all / Ye know on earth, and all ye need to know.

(label) Something acknowledged to be true; a true statement or axiom.

* 1813 , (Jane Austen), (Pride and Prejudice)

It is a truth universally acknowledged, that a single man in possession of a good fortune, must be in want of a wife.

Topness. (See also truth quark.)

Noun

(label) The power to enforce rules or give orders.

* 1883 , (Howard Pyle), (The Merry Adventures of Robin Hood)

But in the meantime Robin Hood and his band lived quietly in Sherwood Forest, without showing their faces abroad, for Robin knew that it would not be wise for him to be seen in the neighborhood of Nottingham, those in authority being very wroth with him.

(label) Persons in command; specifically, government.

*{{quote-book, year=1927, author= F. E. Penny

, chapter=4, title= Pulling the Strings , passage=The case was that of a murder. It had an element of mystery about it, however, which was puzzling the authorities . A turban and loincloth soaked in blood had been found; also a staff.}}

* {{quote-magazine, date=2013-08-10, volume=408, issue=8848, magazine=(The Economist)

, title= Legal highs: A new prescription , passage=No sooner has a [synthetic] drug been blacklisted than chemists adjust their recipe and start churning out a subtly different one. These “legal highs” are sold for the few months it takes the authorities to identify and ban them, and then the cycle begins again.}}

(label) A person accepted as a source of reliable information on a subject.

* 1930 September 18, Albert Einstein, as quoted in Albert Einstein: Creator and Rebel (1988) by Banesh Hoffman

To punish me for my contempt of authority', Fate has made me an ' authority myself.