Reason

noun reasons

1. countable, uncountable That which causes something: an efficient cause, a proximate cause. The reason this tree fell is that it had rotted.
2. countable, uncountable A motive for an action or a determination. He made reason with his boss about taking a day off.
3. countable, uncountable 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. 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.
4. countable, uncountable A premise placed after its conclusion.
5. uncountable Rational thinking (or the capacity for it); the cognitive faculties, collectively, of conception, judgment, deduction and intuition. Mankind should develop reason above all other virtues.
6. countable, obsolete, uncountable Something reasonable, in accordance with thought; justice. 16th century Edmund Spenser, Lines on his Promised Pension I was promised, on a time, To have reason for my rhyme.
7. countable, obsolete, uncountable Ratio; proportion. [I]f two Quantities repreſented by the Numbers 20 and 4 be compared, by dividing the Antecedent 20 by the Conſequent 4, the Quotient is 5; but inverting the Terms, by dividing 4 by 20 the Quotient is #92;tfrac#123;4#125;#123;20#125;#61;#92;tfrac#123;1#125;#123;5#125;. By which Quotients are declared

Similar: that which causes

verb reasons · reasoning · reasoned

1. intransitive To deduce or come to a conclusion by being rational. "I had," said he, "come to an entirely erroneous conclusion which shows, my dear Watson, how dangerous it always is to reason from insufficient data. […]"
2. intransitive To perform a process of deduction or of induction, in order to convince or to confute; to argue. Still my spirit was not broken. I indulged the anticipation of escape, and that speedily. It was impossible, I reasoned, that men could be so unjust as to detain me as a slave, when the truth of my case was known.
3. intransitive, obsolete To converse; to compare opinions.
4. ambitransitive To arrange and present the reasons for or against; to examine or discuss by arguments; to debate or discuss. I reasoned the matter with my friend.
5. rare, transitive To support with reasons, as a request.
6. transitive To persuade by reasoning or argument. to reason one into a belief; to reason one out of his plan
7. transitive, with down To overcome or conquer by adducing reasons. to reason down a passion
8. transitive, usually To find by logical process; to explain or justify by reason or argument. to reason out the causes of the librations of the moon

noun reasons · rasen · raisen · raysin · raison

1. A wall plate.

proper noun Reasons

1. A surname.