ETYM Latin assertio, from asserere.
A declaration that is made as if no supporting evidence were necessary; SYN. averment, asseveration.
ETYM Old Eng. assuraunce, French assurance, from assurer. Related to Assure.
1. A British term for some kinds of insurance.
2. A binding commitment to do or give or refrain from something; SYN. pledge.
3. A statement intended to inspire confidence.
4. Freedom from doubt; belief in oneself and one's abilities; SYN. self-assurance, confidence, self-confidence, authority, sureness.