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Definition of reason verb from the Oxford Advanced Learner's Dictionary

reason

verb
 
/ˈriːzn/
 
/ˈriːzn/
Verb Forms
present simple I / you / we / they reason
 
/ˈriːzn/
 
/ˈriːzn/
he / she / it reasons
 
/ˈriːznz/
 
/ˈriːznz/
past simple reasoned
 
/ˈriːznd/
 
/ˈriːznd/
past participle reasoned
 
/ˈriːznd/
 
/ˈriːznd/
-ing form reasoning
 
/ˈriːznɪŋ/
 
/ˈriːznɪŋ/
Phrasal Verbs
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  1. [transitive, intransitive] reason (that…) | + speech to form a judgement about a situation by considering the facts and using your power to think in a logical way
    • She reasoned that she must have left her bag on the train.
    • They couldn't fire him, he reasoned. He was the only one who knew how the system worked.
    • They reasoned, correctly, that the enemy would not attempt an attack at night.
  2. [intransitive] to use your power to think and understand
    • the human ability to reason
  3. Word OriginMiddle English: from Old French reisun (noun), raisoner (verb), from a variant of Latin ratio(n-), from the verb reri ‘consider’.
See reason in the Oxford Advanced American DictionarySee reason in the Oxford Learner's Dictionary of Academic English
indeed
adverb
 
 
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