Definitions of reason

  1. present reasons and arguments
  2. a justification for something existing or happening; " he had no cause to complain"; " they had good reason to rejoice"
  3. decide by reasoning; draw or come to a conclusion; " We reasoned that it was cheaper to rent than to buy a house"
  4. a rational motive for a belief or action; " the reason that war was declared"; " the grounds for their declaration"
  5. the state of having good sense and sound judgment; " his rationality may have been impaired"; " he had to rely less on reason than on rousing their emotions"
  6. a fact that logically justifies some premise or conclusion; " there is reason to believe he is lying"
  7. 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"
  8. think logically; " The children must learn to reason"
  9. 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.
  10. 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.
  11. Ratio; proportion.
  12. 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.
  13. 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.
  14. To converse; to compare opinions.
  15. 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.
  16. To support with reasons, as a request.
  17. To overcome or conquer by adducing reasons; - with down; as, to reason down a passion.
  18. 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.
  19. The ability to form conclusions and know right from wrong; right judgment; intellect or thinking power; sanity or sane opinions; cause for opinion or act.
  20. To exercise the power of thinking logically or drawing conclusions; to argue.
  21. To persuade by argument; to prove or explain by means of the intellect; as, to reason out a solution.
  22. That which supports or justifies an act, etc.: a motive: proof: excuse: cause: 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.
  23. To exercise the faculty of reason: to deduce inferences from premises: to argue: to debate: ( B.) to converse.
  24. To examine or discuss: to debate: to persuade by reasoning.
  26. Intelligence; faculty of judging; motive; argument; ground; right conduct; justice.
  27. To discuse; persuade by reasoning.
  28. To judge; debate.
  29. To prove or influence by reasoning; argue; persuade or dissuade.
  30. To use the reason; give reasons; argue.
  31. A proof, argument; motive; priciple.
  32. A cause or condition.
  33. Mind; intellect; rational condition.
  34. Reasonable conduct or speech.
  35. The cause, ground, principle or motive of anything said or done; efficient cause; final cause; the faculty of intelligence in man; specially the faculty by which we arrive at necessary truth; the exercise of reason; the premise, specially the minor, of an argument what is according to reason; right; justice; moderation.
  36. To examine or discuss; to persuade by reasoning.
  37. To exercise the faculty of reason; to infer conclusions from premises; to argue; to debate.
  38. That power or faculty in man which eminently distinguishes him from the other animals, and the possession of which enables him to deduce inferences from facts or propositions, and to distinguish good from evil, and truth from falsehood; a thought or a consideration as bearing on a question; cause; ground; motive; that which justifies or supports a determination, or a plan, & c.; final cause; end or object sought; justice; moderation; purpose; design.
  39. To debate or discuss; to persuade by argument; to deduce inferences justly from premises.

Usage examples for reason

  1. There is reason in all things. – When London Burned by G. A. Henty
  2. I told you just now Indians could reason. – Red Men and White by Owen Wister
  3. Reason, my dear count? – The Italians by Frances Elliot
  4. This, he thought, must be the reason why Edith had never heard from him. – The Living Link by James De Mille
  5. You can't reason by only one of anything. – Miss Theodosia's Heartstrings by Annie Hamilton Donnell
  6. And there's no reason why we should. – Charles Rex by Ethel M. Dell
  7. What other reason could she find to keep him from her room? – Beyond by John Galsworthy
  8. Don't you see no reason why you can't do that? – The Untamed by Max Brand
  9. " I believe they would do anything in reason," he said. – The Squire's Daughter by Silas K(itto) Hocking
  10. No, that is not the reason I love you." – Paul Patoff by F. Marion Crawford
  11. Yes, very true; I'm that young lady, and that is the very reason I want to know. – Checkmate by Joseph Sheridan Le Fanu
  12. Well, I should say, Dias, there is no reason why we should put the matter off. – The Treasure of the Incas by G. A. Henty
  13. " There's a reason," he said. – Concerning Sally by William John Hopkins
  14. What possible reason could any of our crew have to leave? – The Argus Pheasant by John Charles Beecham
  15. There must be a reason for such a sudden change of front; and I have suggested it. – By Wit of Woman by Arthur W. Marchmont
  16. But there is a good reason for waiting, for me. – Rebels of the Red Planet by Charles Louis Fontenay
  17. Goritz had a reason. – The Secret Witness by George Gibbs
  18. We have told the reason why. – Napoleon the Little by Victor Hugo
  19. And the reason is the same. – Natural Law in the Spiritual World by Henry Drummond