Answer:
1. Acumen most likely means “an ability to make good and wise decisions"
2. Tempestuous most likely means “explosive"
3. Auspicious most likely means “favorable"
Step-by-step explanation:
The given words from the passage means the following:
Acumen - it most likely mean that the Senator had the ability to make good decisions or judgments.
Temptestuous - it most likely mean that the Senator wasn't "explosive" in anger.
Auspicious - it most likely mean that the Senator was favorable.