reason

Nouns

  • (n) a rational motive for a belief or action
    • the reason that war was declared
    • the grounds for their declaration
    ground,
  • (n) 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
  • (n) 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
    intellect, understanding,
  • (n) 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
    rationality, reasonableness,
  • (n) a justification for something existing or happening
    • he had no cause to complain
    • they had good reason to rejoice
    cause, grounds,
  • (n) a fact that logically justifies some premise or conclusion
    • there is reason to believe he is lying

Verbs

  • (v) decide by reasoning; draw or come to a conclusion
    • We reasoned that it was cheaper to rent than to buy a house
    conclude, reason out,
  • (v) present reasons and arguments argue,
  • (v) think logically
    • The children must learn to reason

Synonyms

ground conclude reason out argue intellect understanding rationality reasonableness cause grounds

Words of close approximity

reasonable reasonable care reasonableness reasonably reasoned reasoner reasoning reasoning backward reasoning by elimination reasonless reason out