persuasiveness

As a noun persuasiveness

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

As an adjective undefined is

lacking a definition or value.

As a noun persuasiveness

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

As an adverb wooingly is

in a wooing manner; enticingly; with persuasiveness.

As nouns the difference between persuasiveness and unpersuasiveness

is that persuasiveness is the capability of a person or argument to convince or persuade someone to accept a desired way of thinking while unpersuasiveness is the quality of being unpersuasive; lack of persuasiveness.