What is another word for hast on good authority?
Pronunciation: [hˈe͡ɪst ˌɒn ɡˈʊd ɐθˈɒɹɪtˌi] (IPA) 
The phrase "hast on good authority" is commonly used to convey a sense of credibility and reliability in a statement or piece of information. However, there are many potential synonyms for this phrase that can be used to convey a similar sense of trustworthiness. Some examples might include "have reliable sources," "can attest with confidence," or "have sound evidence to support." Alternatively, one could simply say that they "know for sure" or "have first-hand knowledge" of something. Choosing the right synonym depends on the context and tone of the statement, but any of these options could effectively convey trust and credibility.
