noun
aggressive self-assurance; given to making bold assertions (Freq. 1)
• Syn: ↑self-assertiveness
• Derivationally related forms: ↑assertive
• Hypernyms: ↑positivity, ↑positiveness, ↑positivism
• Hyponyms: ↑bumptiousness, ↑cockiness, ↑pushiness, ↑forwardness
Useful english dictionary. 2012.