"Had on good authority" is a phrase used to indicate that the information being discussed or shared is obtained from a credible or reliable source. It implies that the source of the information is trustworthy and has direct knowledge or access to accurate information about the subject matter.
When someone says they have something "on good authority," it means that they have received the information from someone who is known to be knowledgeable, experienced, or well-informed in the specific area or field being discussed. This could be someone with expertise, a high-ranking official, a respected figure, or someone with direct involvement or access to the situation.
The phrase suggests that the information being shared is likely to be accurate and reliable, as it has been obtained from a reputable source. It adds weight and credibility to the information being presented, giving it a stronger basis compared to information obtained through rumors, hearsay, or less reliable sources.
By stating that something is "on good authority," the speaker or writer is signaling to their audience that they have verified the information and have confidence in its accuracy. This phrase is commonly used in discussions, news reports, and other contexts where it is essential to convey the reliability and credibility of the information being presented.