Definitions of assurance:
- noun: freedom from doubt; belief in yourself and your abilities
Example: "His assurance in his superiority did not make him popular"
- noun: a statement intended to inspire confidence
Example: "The President's assurances were not respected"
- noun: a binding commitment to do or give or refrain from something
Example: "An assurance of help when needed"
- noun: a British term for some kinds of insurance