Noun

• S: (n) assurance, self-assurance, confidence, self-confidence, authority, sureness (freedom from doubt; belief in yourself and your abilities) "his assurance in his superiority did not make him popular"; "after that failure he lost his confidence"; "she spoke with authority"
• attribute
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) assurance, pledge (a binding commitment to do or give or refrain from something) "an assurance of help when needed"; "signed a pledge never to reveal the secret"
• S: (n) assurance (a statement intended to inspire confidence) "the President's assurances were not respected"
• S: (n) assurance (a British term for some kinds of insurance)