say it: pur-SWAY-siv-nuhs
persuasiveness is a noun meaning "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". It carries one recorded sense.
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”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for persuasiveness come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.