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 The colossus of science was not the first king of reason, Keynes wrote after reading Newton’s unpublished manuscripts.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

(en noun)

Regard for others, both natural and moral without regard for oneself; devotion to the interests of others; brotherly kindness; selflessness; contrasted with egoism or selfishness .

*, chapter=16

, title= The Mirror and the Lamp , passage=The preposterous altruism too!

* 1995 , George E. Vaillant, The Wisdom of the Ego , page 68,

Altruism' allows doing for others as one would be done by. Unlike reaction formation, which also gives to the object what the self desires, '''altruism''' leaves the self at least partly gratified. Unlike reaction formation, '''altruism''' tempers asceticism with pleasure. Unlike passive aggression and martyrdom, '''altruism''' allows the object to feel blessed and not afflicted. ' Altruism attracts people to the user; martyrdom repels them even as it holds them close in chains.

(biology, sociobiology) Action or behaviour that benefits another or others at some cost to the performer.

* 2013 December 24, Laura Spinney, Goodwill hunting: Random ants of kindness'', ''(New Scientist) ,

Altruism' is a behaviour of an individual that benefits another at its own expense.Being nice to relatives is not pure ' altruism because they share your genes so, by helping them, you promote your own genetic heritage.