REASON

Definitions

1. 1. To exercise the rational faculty; to deduce inferences from premises; to perform the process of deduction or of induction; to ratiocinate; to reach conclusions by a systematic comparison of facts.
2. 2. Hence: To carry on a process of deduction or of induction, in order to convince or to confute; to formulate and set forth propositions and the inferences from them; to argue. Stand still, that I may reason with you, before the Lord, of all the righteous acts of the Lord. 1 Sam. xii. 7.
3. 3. To converse; to compare opinions. Shak.