The source of these definitions is Dictionary.com.

This list of definitions is a guide for the workshop leader to use during Activity 1, What is Reason?, exploring the meaning of reason as opposed to similar concepts.

Analysis (2): This process is a method of studying the nature of something or of determining its essential features and their relations.

Inquiry (6): A seeking or request for truth, information, or knowledge.

Logic (1): The science that investigates the principles governing correct or reliable inference.

Rationality (4): The exercise of reason.

Rationalization (7): To invent plausible explanations for acts, opinions, etc., that are actually based on other causes.

Reason (3): The mental powers concerned with forming conclusions, judgments, or inferences. People do this by direct understanding, predicting, generalizing, comparing, and arguing.

Reasoning (5): The process of forming conclusions, judgments, or inferences from facts or premises.