Simple Examples:
* The team decisively won the championship.
* She decisively rejected his offer.
* He answered the question decisively.
More Complex Examples:
* The judge decisively ruled in favor of the plaintiff.
* The company decisively entered the new market with a bold marketing campaign.
* After much deliberation, the committee decisively voted to approve the proposal.
Using "decisively" to show emphasis:
* The evidence was decisively in their favor.
* She decisively made her point, leaving no room for doubt.
Note: "Decisively" is often used to describe actions or decisions made with certainty and confidence. It implies a clear choice or outcome.