assurance

(n) 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
confidence, self-assurance, self-confidence, sureness, authority,
(n) 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
pledge,
(n) a statement intended to inspire confidence
- the President's assurances were not respected
(n) a British term for some kinds of insurance

confidence self-assurance self-confidence sureness authority pledge