decisive

"We are tracing the source and will take swift, decisive action against those responsible."

It ended Syria’s civil war with a decisive, unexpected victory for the Sunni Islamist insurgency, which began in 2012.

The Dodgers won the World Series for the second year in a row, in the decisive, 11-inning game that lasted more than four hours.

Jaffa thought the principles of the Declaration provided for the decisive defeat of slavery and legal racism in America.

She predicted a flurry of last-minute negotiations before a decisive vote is called several days after the budget is presented to parliament.