reason

nouns

a rational motive for a belief or action

"the reason that war was declared"; "the grounds for their declaration"

ground, 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"

reason

is a type of (narrower)

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"

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, reason, understanding

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"

a justification for something existing or happening

"he had no cause to complain"; "they had good reason to rejoice"

cause, grounds, reason

a fact that logically justifies some premise or conclusion

"there is reason to believe he is lying"

reason

is a type of (narrower)

a piece of information about circumstances that exist or events that have occurred

"first you must collect all the facts of the case"

decide by reasoning; draw or come to a conclusion

"We reasoned that it was cheaper to rent than to buy a house"

conclude, reason, reason out

is derived from

present reasons and arguments

argue, reason

is derived from

think logically

"The children must learn to reason"

reason

is derived from

is derived from

is a type of (narrower)

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"