- the act or process of a person who reasons.
- the process of forming conclusions, judgments, or inferences from facts or premises.
- the reasons, arguments, proofs, etc., resulting from this process.
- the act or process of drawing conclusions from facts, evidence, etc
- the arguments, proofs, etc, so adduced
late 14c., “exercise of the power of reason; act or process of thinking logically;” also “an instance of this;” verbal noun from reason (v.).