decisively
adv. manner B2 Upper Intermediate US //dɪˈsaɪsɪvɫi// UK //dɪsˈaɪsɪvli// de·ci·sive·ly
adv. to do something in a quick, sure, and confident way. You use this when someone makes a choice or takes action without any doubt.
adv. in a manner that shows the ability to make decisions quickly and confidently; with conclusive results. Typically modifies verbs of action or decision-making.
She acted decisively to solve the problem.
The manager acted decisively to stop the leak before it caused any permanent damage to the office.
The commander moved decisively to secure the perimeter, effectively ending the standoff before negotiations could break down further.
Usage
Typically follows the verb it modifies or the direct object.