reasonest

Verb

reason (third-person singular simple present reasons, present participle reasoning, simple past and past participle 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. […]"1892, Arthur Conan Doyle, The Adventure of the Speckled Band
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.1853, Solomon Northup, chapter III, in [David Wilson], editor, Twelve Years a Slave. […], London: Sampson Low, Son & Co.; Auburn, N.Y.: Derby and Miller, →OCLC, page 47

   Synonyms:

   ratiocinate

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

See all 17 meanings of reason