The phrase "a decisive response" is correct and usable in written English.
It can be used when referring to a clear and firm answer or reaction to a situation or question.
Example: "In times of crisis, it is essential for leaders to provide a decisive response to reassure the public."
Alternatives: "a firm answer" or "a conclusive reply."
She called for a "decisive response" from the health secretary, Shona Robison.
The move was a decisive response to the advances of Mr. Arnault, one of the richest people in the world.
Never mind that a decisive response to the climate crisis, grounded in big investments in renewables, efficiency, and public transit, could well have created enough jobs to undercut the discredited logic of economic austerity.
That last one draws surprisingly varied answers — and that is precisely the challenge that has confronted the United States over the past decade in its attempt to build support for a decisive response to North Korea.
FRANKFURT — Still trying to dampen expectations for a grand gesture to address the debt crisis, most of the key figures in European politics gathered in Frankfurt late Wednesday under intense pressure to deliver a decisive response.
The extent of this encroachment became clear recently as many of those who had been insisting that a decisive response was needed in the name of anti-extremism blogged and tweeted their delight at a fatwa apparently issued by a previously unheard-of mufti, Muhammad Idris Usmani of the Jamia Islamia.
This was a truly decisive response to a 2-0 defeat by Arsenal last Saturday.
The situation in Burundi demands a robust, decisive response from the international community".
"The situation in Burundi demands a robust, decisive response from the international community," the commissioner said.
"If Russia continues behaving like a terrorist organization and forcing civilians to flee, we will deliver an extremely decisive response," Mr Davutoglu said during a visit to Kiev.
On the other hand, many signals necessitate a unique and decisive response, and a densely interconnected network may make such signal-exclusivity a difficult but vital objective to obtain [ 6- 8].
