'Persuasiveness' definitions:

Definition of 'persuasiveness'

From: WordNet
noun
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; "the strength of his argument settled the matter" [syn: persuasiveness, strength] [ant: unpersuasiveness]

Definition of 'Persuasiveness'

From: GCIDE
  • Persuasive \Per*sua"sive\, n. That which persuades; an inducement; an incitement; an exhortation. -- {Per*sua"sive*ly}, adv. -- {Per*sua"sive*ness}, n. [1913 Webster]