That family once wielded great influence in this town.
vigor; energy; boldness; high spirits
Describes lively, forceful, or bold spirit, often in expressions such as 威勢がいい and 威勢よく. It can be positive, but may also imply loud bravado depending on context.
At the market, the shop staff were energetically calling out to customers.
He talked boldly, but in the end he did nothing.
He has held sway over that region for many years.
The young men were acting tough all over town.
The new leader showed his authority to his subordinates.