['riːz(ə)n] or [ˈrizən]


(noun.) the capacity for rational thought or inference or discrimination; 'we are told that man is endowed with reason and capable of distinguishing good from evil'.

(noun.) a fact that logically justifies some premise or conclusion; 'there is reason to believe he is lying'.

(noun.) an explanation of the cause of some phenomenon; 'the reason a steady state was never reached was that the back pressure built up too slowly'.

(noun.) a rational motive for a belief or action; 'the reason that war was declared'; 'the grounds for their declaration'.

(verb.) think logically; 'The children must learn to reason'.

(verb.) decide by reasoning; draw or come to a conclusion; 'We reasoned that it was cheaper to rent than to buy a house'.

奥德丽整理--From WordNet


(n.) A thought or a consideration offered in support of a determination or an opinion; a just ground for a conclusion or an action; that which is offered or accepted as an explanation; the efficient cause of an occurrence or a phenomenon; a motive for an action or a determination; proof, more or less decisive, for an opinion or a conclusion; principle; efficient cause; final cause; ground of argument.

(n.) The faculty or capacity of the human mind by which it is distinguished from the intelligence of the inferior animals; the higher as distinguished from the lower cognitive faculties, sense, imagination, and memory, and in contrast to the feelings and desires. Reason comprises conception, judgment, reasoning, and the intuitional faculty. Specifically, it is the intuitional faculty, or the faculty of first truths, as distinguished from the understanding, which is called the discursive or ratiocinative faculty.

(n.) Due exercise of the reasoning faculty; accordance with, or that which is accordant with and ratified by, the mind rightly exercised; right intellectual judgment; clear and fair deductions from true principles; that which is dictated or supported by the common sense of mankind; right conduct; right; propriety; justice.

(n.) Ratio; proportion.

(n.) To exercise the rational faculty; to deduce inferences from premises; to perform the process of deduction or of induction; to ratiocinate; to reach conclusions by a systematic comparison of facts.

(n.) Hence: To carry on a process of deduction or of induction, in order to convince or to confute; to formulate and set forth propositions and the inferences from them; to argue.

(n.) To converse; to compare opinions.

(v. t.) To arrange and present the reasons for or against; to examine or discuss by arguments; to debate or discuss; as, I reasoned the matter with my friend.

(v. t.) To support with reasons, as a request.

(v. t.) To persuade by reasoning or argument; as, to reason one into a belief; to reason one out of his plan.

(v. t.) To overcome or conquer by adducing reasons; -- with down; as, to reason down a passion.

(v. t.) To find by logical processes; to explain or justify by reason or argument; -- usually with out; as, to reason out the causes of the librations of the moon.



n. [1]. Intellect, mind, sense, understanding, rational faculty, thinking principle, intellectual powers or faculties, discursive power or faculty.[2]. Cause, ground, principle, motive, consideration, account, efficient cause.[3]. Design, purpose, end, object, aim, final cause.[4]. Argument, reasoning, chain of reasoning, process of reasoning.[5]. Reasonableness, wisdom, common sense, good sense, right or just view.[6]. Theory, exposition, rationale.

v. n. [1]. Draw conclusions, draw inferences, make deductions.[2]. Argue, debate, dispute, chop logic, try conclusions, bandy words or arguments, hold or carry on an argument.



SYN:Debate, discuss, argue, infer, deduce, conclude,[See ARGUE]

SYN:Ground, account, cause, explanation, motive, proof, apology, understanding,reasoning, rationality, right, propriety, justice, order, object, sake,purpose

ANT:Pretext, pretence, misinterpretation, falsification, misconception, disproof,unreasonableness, absurdity, fallacy, irrationality, wrong, unreason,impropriety, unfairness, folly, aimlessness, unaccountableness



n. an idea which supports or justifies an act or belief: a motive: proof: excuse: cause: an explanation: the faculty of the mind by which man draws conclusions and determines right and truth: the exercise of reason: just view of things: right conduct: propriety: justice: that which is conformable to reason: (logic) a premise placed after its conclusion.—v.i. to exercise the faculty of reason: to deduce inferences from premises: to argue: to debate: (B.) to converse.—v.t. to examine or discuss: to debate: to persuade by reasoning.—adj. Rea′sonable endowed with reason: rational: acting according to reason: agreeable to reason: just: not excessive: moderate.—n. Rea′sonableness.—adv. Rea′sonably.—ns. Rea′soner; Rea′soning act of reasoning: that which is offered in argument: course of argument.—adj. Rea′sonless.—n. Rea′son-piece a wall plate.—By reason of on account of: in consequence of; Principle of sufficient reason the proposition that nothing happens without a sufficient reason why it should be as it is and not otherwise; Pure reason reason absolutely independent of experience.



n. Propensitate of prejudice.

v.i. To weigh probabilities in the scales of desire.





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