Black's Law Dictionary (2nd edition)dictionaries

Reason

A faculty of the mind by which it distinguishes truth from falsehood, good from evil, and which enables the pos-sessor to deduce inferences from facts or from propositions, webster. Also an inducement, motive, or ground for action, as in the phrase “reasons for an appeal.” See Nelson v. Clongland, 15 wis. 393; Miller v. Miller, 8 Johns. (N. Y.) 77

Source: Black's Law Dictionary 2nd Ed (1910)