Authority
Authority noun - A person with a high level of knowledge or skill in a field.
Usage example: the leading authority on neural anatomy
Master is a synonym for authority in expert topic. In some cases you can use "Master" instead a noun "Authority", when it comes to topics like ability, head, leader of the pack.
Mutual synonyms
Related pairs
How words are described
Both words in one sentence
- When ships gained the ability to venture far from land and human contact, the Master or Captain of the ship had authority second only to God.
- The so-called "master of the city" has absolutely no legal authority at all, and that when he uses his thugs to force people to come to him, he's guilty of ordering kidnapping.
Source: Reality Ensues / Fan Fic -
Another character urges him to remember that he is the "master under God" of the ship, and suggests that he consider how captains of old acted with such authority.
Source: The Captain
Cite this Source
Master and Authority. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/authority/master
Authority & Master. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/authority/master>.
Master or Authority. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/authority/master.
Google Ngram Viewer shows how "authority" and "master" have occurred on timeline