Noun

(en noun)

A cause:

# That which causes something: an efficient cause, a proximate cause.

#* 1996 , (w), : Evolution and the Meanings of Life , page 198:

There is a reason why so many should be symmetrical: The selective advantage in a symmetrical complex is enjoyed by all the subunits

# A motive for an action or a determination.

#* 1806 , Anonymous, Select Notes to Book XXI, in, (Alexander Pope), translator, The (Odyssey) of (Homer) , volume 6 (London, F.J. du Roveray), page 37:

This is the reason why he proposes to offer a libation, to atone for the abuse of the day by their diversions.

#* 1881 , (Henry James), (The Portrait of a Lady) , chapter 10:

Ralph Touchett, for reasons best known to himself, had seen fit to say that Gilbert Osmond was not a good fellow

# An excuse: a thought or a consideration offered in support of a determination or an opinion; that which is offered or accepted as an explanation.

#* 1966 , (Graham Greene), ((Penguin Classics) edition, ISBN 0140184945), page 14:

I have forgotten the reason' he gave for not travelling by air. I felt sure that it was not the correct ' reason , and that he suffered from a heart trouble which he kept to himself.

(label) Rational]] thinking (or the capacity for it; the cognitive [[faculty, faculties, collectively, of conception, judgment, deduction and intuition.

* 1970 , (Hannah Arendt), On Violence (ISBN 0156695006), page 62:

And the specific distinction between man and beast is now, strictly speaking, no longer reason (the lumen naturale of the human animal) but science

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

, title= Magician’s brain , passage=The [Isaac] Newton that emerges from the [unpublished] manuscripts is far from the popular image of a rational practitioner of cold and pure reason . The architect of modern science was himself not very modern. He was obsessed with alchemy.}}

(label) Something reasonable, in accordance with thought; justice.

* (rfdate) (Edmund Spenser):

I was promised, on a time, To have reason for my rhyme.

Ratio; proportion.

(Barrow)

Noun

(en noun)

An option; a decision; an opportunity to choose or select something.

* {{quote-magazine, date=2012-01

, author=Steven Sloman , title=The Battle Between Intuition and Deliberation , volume=100, issue=1, page=74 , magazine= citation , passage=Libertarian paternalism is the view that, because the way options are presented to citizens affects what they choose, society should present options in a way that “nudges” our intuitive selves to make choices that are more consistent with what our more deliberative selves would have chosen if they were in control.}}

Do I have a choice of what color to paint it?

One selection or preference; that which is chosen or decided; the outcome of a decision.

The ice cream sundae is a popular choice for dessert.

Anything that can be chosen.

The best or most preferable part.

* Milton

The flower and choice / Of many provinces from bound to bound.

Care and judgement in selecting; discrimination.

* Francis Bacon

I imagine they [the apothegms of Caesar] were collected with judgment and choice .

(obsolete) A sufficient number to choose among.

(Shakespeare)