reason
Pronunciation:
/ˈɹiːzən/noun
Definitions
A cause:
Rational thinking (or the capacity for it); the cognitive faculties, collectively, of conception, judgment, deduction and intuition.
Example: Mankind should develop reason above all other virtues.
Something reasonable, in accordance with thought; justice.
Ratio; proportion.
verb
Definitions
To deduce or come to a conclusion by being rational
To perform a process of deduction or of induction, in order to convince or to confute; to argue.
To converse; to compare opinions.
To arrange and present the reasons for or against; to examine or discuss by arguments; to debate or discuss.
Example: I reasoned the matter with my friend.