The phrase "authoritative explanation" is correct and usable in written English.
It can be used when referring to a clear and reliable account or interpretation of a subject or topic, often provided by an expert or a credible source.
Example: "The professor provided an authoritative explanation of the complex theory, making it easier for the students to understand."
Alternatives: "definitive account" or "expert clarification".
Perhaps the only person who could provide a truly authoritative explanation for Libya's shift is Qaddafi himself, but on this point, he preferred to deal in abstractions.
She goes to Wikipedia and, if she reads the whole entry, gets an apparently authoritative explanation of some solid basics — the concept of hubris, a few details about ancient Greek performance, and some plot summaries.
Attorney Denis Clifford, in the fourth edition of "Make Your Own Living Trust," has updated his authoritative explanation of living trust pros and cons for homeowners and realty investors.
However, authoritative explanation is also derived from rich and nuanced analysis of specific experience, for example the analyses of Butler (2005) and Robins (2004) around South African HIV/AIDS policy.
Further, higher learning scores were observed when refutation texts justified by authoritative explanations were consistent with one cluster dominant in preference for justification by authority.
For an authoritative account, see Wald (1994).
In addition to his reputation as an exacting scientific investigator, Dr. Lee is regarded as a skilled expert witness, whose confident, authoritative analysis and explanation of evidence tends to win the trust of jurors.
Integrates authoritative analyses, concise explanations, and historical material to provide a powerful research and reference tool on the American voter, major and minor political parties, campaigns and elections, and historical and modern races for Congress, the presidency, and governorships.
CQ Voting and Elections Collection Integrates authoritative analyses, concise explanations, and historical material to provide a powerful research and reference tool on the American voter, major and minor political parties, campaigns and elections, and historical and modern races for Congress, the presidency, and governorships.
For decades AAIDD has provided clinicians, courts and government agencies with authoritative definitions and explanations of intellectual disability and protocols for appropriate treatment and support systems.
Neither Physics nor Chemistry is much more than a meticulously researched, authoritative history of quantum mechanical explanations of chemical structure.
