See How Reason Can Survive The Modern University: The Moral Foundations Of Rationality
For the American Maritain Association meeting at Notre Dame, Oct 19th to 22, 2000, by Dallas Willard.
COLLEGE EDITION OF WEBSTER'S NEW WORLD DICTIONARY OF THE AMERICAN LANGUAGE was copyrighted in 1964.
Mack B. Stokes must be familiar with this definition.
It has 6 numbered noun definitions.
1. an explanation or justification for an act, idea, etc.
2. a cause; motive.
3. the ability to think, form judgments, form conclusions, etc.
4. sound thought or judgment; good sense.
5. normal mental powers; a sound mind; sanity.
6. in logic, one of the premises of an argument, especially the minor.
Following these comes
v.i. 1. to think coherently and logically; draw inferences or conclusions from facts known or assumed. 2. to argue or talk in a logical way. v.t. 1. to analyze; think logically about; think out systematically. 2. to argue; discuss 3. to support, justify, etc. with reasons. 4. to persuade or bring by reasoning (with into or out of)