Authority
Part of speech: noun
Definition: The power to enforce rules or give orders. Persons in command; specifically, government. A person accepted as a source of reliable information on a subject.
Example sentence: You can delegate authority, but you cannot delegate responsibility.
Sureness
Part of speech: noun
Definition: The property of being sure, certainty.The property of being sure, deft, confident of ability.The result or product of being sure.