Acumen ( page 18 ).
Questions.
1. How do sharpness, acuteness, penetration, and insight compare with acumen? 2. What is the special characteristic of acumen? To what order of mind does it belong? 3. What is sagacity? Is it attributed to men or brutes? 4. What is perspicacity? 5. What is shrewdness? Is it ordinarily good or evil? 6. Give illustrations of the uses of the above words as regards the possessors of the corresponding qualities.
Examples.
The treatise displays great critical ——.
The Indians had developed a practical —— that enabled them to follow a trail by scarcely perceptible signs almost as unerringly as the hound by scent.