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"persuasive" is also used as a crossword clue. If that's what you saw, the answer is often convincing (10 letters).
Definitions
Able to convince or influence someone.
Word origin
From Middle French persuasif, from Medieval Latin persuāsīvus, from Latin past participle stem of persuādēre + -īvus.
Used in a sentence
“But I'm pretty persuasive, and I've learned how elected officials think. I know how to press their buttons.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Convincing”10 letters
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