To be an authority refers to possessing a high level of knowledge, expertise, or influence in a particular field or subject matter, to the extent that one is widely recognized and respected as a reliable source of information or a figure of supremacy. An individual or entity who is an authority commands credibility and is considered to have in-depth understanding and mastery over a specific domain. They possess a set of skills, experiences, or qualifications that set them apart from others, establishing them as a trusted source of guidance or a figure of command in their area of expertise.
Being an authority often implies a position of leadership or superiority, where an individual is entrusted with the responsibility of making important decisions or providing expert opinions. Authorities are often sought after for advice, guidance, or validation, as their opinions and judgments carry weight due to their established expertise in the field. They may have earned their authority through years of experience, extensive education, noteworthy achievements, or notable contributions to their respective field.
Others may recognize and defer to an authority's opinions, recommendations, or directions, based on the belief that their knowledge and understanding will likely lead to accurate and reliable outcomes. Being an authority indicates a person’s influence and ability to shape actions, opinions, or decisions within a particular context, making them an esteemed and influential figure in the eyes of others.
The phrase "be authority" is not a common or widely recognized term in English. However, if you are referring to the word "authority", it has an interesting etymology. The word "authority" originated from the Latin word "auctoritas", derived from the noun "auctor", meaning "author" or "promoter". In Latin, "auctoritas" referred to the influence, credibility, or prestige that someone had due to their knowledge, expertise, or social position. Over time, this evolved to encompass the concept of power, control, or jurisdiction.In English, "authority" first appeared in the 14th century and initially referred to the power or right to enforce obedience or to make decisions. Later, it also came to mean expertise or command in a particular field. It can refer to both individuals who possess power or control and to documents, laws, or sources serving as a basis of power or legitimacy.