What does "persuasiveness" mean?

The capability of a person or argument to convince or persuade someone to accept a desired way of thinking.

Persuasiveness

Common synonyms include: advocacy quality, allurement, appeal, argument quality, argumentation, cogency.

noun

noun ·4 syllables ·Uncommon ·Advanced level

Noun

1
The capability of a person or argument to convince or persuade someone to accept a desired way of thinking. uncountable
"By using the utmost tact and persuasiveness, he was inducing his uncle to cough up very grudgingly a small quarterly allowance."
2
the power to induce the taking of a course of action or the embracing of a point of view by means of argument or entreaty wordnet

"By using the utmost tact and persuasiveness, he was inducing his uncle to cough up very grudgingly a small quarterly allowance."

* persuasive + -ness