"Haddest good authority" is an idiomatic phrase derived from Middle English, predominantly used in Early Modern English literature, that conveys a strong emphasis on credibility and reliability of information or knowledge. It is an archaic construction formed by combining the verb "have" in its past form "haddest," the adjective "good," and the noun "authority." Despite its obsolete usage, understanding its definition allows for comprehension of historical texts.
The phrase suggests that an individual possesses extremely trustworthy or authoritative information, often obtained from reliable sources or experts. It conveys a sense of certainty and confidence in the veracity of the knowledge being shared. When someone claims to have "haddest good authority" on a subject, they are asserting that they possess highly reliable and verified information that can be considered credible and accurate.
This expression highlights the importance placed upon credibility and reliable sources of information in earlier times, and emphasizes the value of authoritative knowledge. It implies that the information being transmitted is based on solid evidence and can be trusted. The use of the word "haddest" emphasizes the past tense, suggesting that the authority or source of information was acquired in the past but still holds its validity at the time it is being shared.
Overall, "haddest good authority" communicates a strong sense of reliability and trustworthiness regarding the information being presented, highlighting the reliance on substantiated sources and emphasizing the importance of credibility in conveying knowledge.