Synonyms for assurance

Some common synonyms of assurance are: assurance [n.] 1. Assuredness, security, certainty, conviction, persuasion, pledge of certainty, ground of confidence, surety. 2. Promise, engagement, pledge, word of honor. 3. Protestation, asseveration, averment, earnest or solemn declaration. 4. Intrepidity, courage, confidence, firmness, self-reliance. 5. Arrogance, boldness, effrontery, brass, impudence, impertinence, presumption, face, front. 6. (Law.) Insurance.