Authority and Arbiter

Authority noun - A person with a high level of knowledge or skill in a field.

Arbiter is a synonym for authority in expert topic. In some cases you can use "Arbiter" instead a noun "Authority", when it comes to topics like head.

Nearby Words: authorize, authorise, authoritative, author, authorization

Arbiter noun - A person who impartially decides or resolves a dispute or controversy.

Authority is a synonym for arbiter in judge topic. You can use "Authority" instead a noun "Arbiter", if it concerns topics such as head.

Nearby Words: arbitration, arbitrator, arbitral