Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun reason

6 senses of reason

Sense 1
reason, ground -- (a rational motive for a belief or action; "the reason that war was declared"; "the grounds for their declaration")
       => rational motive -- (a motive that can be defended by reasoning or logical argument)

Sense 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")
       => explanation, account -- (a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.; "the explanation was very simple"; "I expected a brief account")

Sense 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")
       => faculty, mental faculty, module -- (one of the inherent cognitive or perceptual powers of the mind)

Sense 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")
       => sanity, saneness -- (normal or sound powers of mind)

Sense 5
cause, reason, grounds -- (a justification for something existing or happening; "he had no cause to complain"; "they had good reason to rejoice")
       => justification -- (a statement in explanation of some action or belief)

Sense 6
reason -- (a fact that logically justifies some premise or conclusion; "there is reason to believe he is lying")
       => fact -- (a piece of information about circumstances that exist or events that have occurred; "first you must collect all the facts of the case")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb reason

3 senses of reason

Sense 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")
       => think, cogitate, cerebrate -- (use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments; "I've been thinking all day and getting nowhere")

Sense 2
argue, reason -- (present reasons and arguments)
       => present, represent, lay out -- (bring forward and present to the mind; "We presented the arguments to him"; "We cannot represent this knowledge to our formal reason")

Sense 3
reason -- (think logically; "The children must learn to reason")
       => think, cogitate, cerebrate -- (use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments; "I've been thinking all day and getting nowhere")

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