impactful
adj. B2 Upper Intermediate im·pact·ful
adj. having a strong effect on someone or something. You use this to describe a person, event, or action that makes a big difference.
adj. having a significant or lasting effect on a person, situation, or system. Often used to describe the influence of a specific action or the quality of a professional's work.
The new manager has an impactful leadership style.
The documentary had an impactful effect on the public's opinion regarding climate change.
While the initial results were promising, the long-term impact of the policy remains to be seen as the economy continues to adjust to the new regulations.