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Noun reason has 6 senses
  1. reason, ground - a rational motive for a belief or action; "the reason that war was declared"; "the grounds for their declaration"
    --1 is a kind of rational motive
    --1 has particulars: occasion; score, account; why, wherefore
    Derived form: verb reason1
  2. reason - 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"
    --2 is a kind of
    explanation, account
  3. reason, understanding, intellect - 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"
    --3 is a kind of faculty, mental faculty, module
    Derived forms: verb reason3, verb reason2, verb reason1
  4. rationality, reason, reasonableness - 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"
    --4 is a kind of sanity, saneness
    Derived forms: verb reason2, verb reason1
  5. cause, reason, grounds - a justification for something existing or happening; "he had no cause to complain"; "they had good reason to rejoice"
    --5 is a kind of justification
  6. reason - a fact that logically justifies some premise or conclusion; "there is reason to believe he is lying"
    --6 is a kind of
    --6 has particulars: indication; contraindication
Verb reason has 3 senses
  1. reason, reason out, conclude - decide by reasoning; draw or come to a conclusion; "We reasoned that it was cheaper to rent than to buy a house"
    --1 is one way to think, cogitate, cerebrate
    Derived forms: noun reason4, noun reason3, noun reason1, noun reasoner1
    Sample sentence:
    They reason that there was a traffic accident
  2. argue, reason - present reasons and arguments
    --2 is one way to present, represent, lay out
    Derived forms: noun reason4, noun reason3, noun reasoner1
    Sample sentences:
    Sam wants to reason with Sue
    Sam and Sue reason
  3. reason - think logically; "The children must learn to reason"
    --3 is one way to
    think, cogitate, cerebrate
    Derived forms: noun reason3, noun reasoner1, noun reasoning1
    Sample sentences:
    Somebody ----s
    Somebody ----s that CLAUSE
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