IPA: /pərˈsweɪzɪvli/
KK: /pɚˈsweɪzɪvli/
In a way that is meant to convince someone to believe or do something.
She spoke persuasively during the debate, winning over many listeners.
Persuasively → It is formed from "persuadere" (from Latin, meaning to convince or persuade) and the suffix "-ly" (meaning in a manner of). The word "persuasively" means in a manner that convinces or influences others.
Think of the Latin root 'persuadere' which means to convince, and remember that 'persuasively' describes the way someone influences others.