The phrase "authoritative definition" is correct and usable in written English.
It can be used when referring to a definition that is widely accepted as accurate and reliable, often from a recognized source.
Example: "The authoritative definition of democracy can be found in the Oxford English Dictionary."
Alternatives: "official definition" or "accepted definition".
Populism is a contested concept and I do not claim to be providing an authoritative definition.
The most authoritative definition of mod came from Pete Meaden, an early manager of the Who, who was quoted on the sleeve-notes to Quadrophenia.
Though there is no final authoritative definition of poverty, perhaps the best measure is the number whose incomes are less than half the national average or mean.
Despite lacking an authoritative definition of NZEBs, this relatively new emerging concept in Australia provides significant opportunities to reduce GHG emissions, energy usage and operational energy costs for buildings owners.
Even though that document was published in 1981 (long before the invention of the World Wide Web made the Internet so popular), it still remains the authoritative definition of the IP.
Lord Wilson told the court that the Home Office had in February 2012 incorporated, word for word, the United Nations High Commissioner for Refugees issued 'Guidelines for Statelessness', which addressed some of the effects of the authoritative definition of a stateless person, into its own guidance.
Authoritative definitions for terms used in all branches of psychology, including psychoanalysis, psychiatry, criminology, neuroscience, and statistics.
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.
We found that – to be a practical expression of the right to health – at least one element is missing in present authoritative definitions of universal health coverage: a straightforward confirmation that international assistance is essential, not optional.
They are intended to provide an authoritative semantic definition of all building elements, their properties and inter-relationships.
Moreover, it is common to find, in authoritative texts, definitions like: "Color attributes are attributes of visual sensations, e.g., hue, saturation and brightness"; "Hue: attribute of colour perception denoted by the terms yellow, red, blue, green and so forth"; "Brightness is the attribute of a visual sensation according to which a given visual stimulus appears to be more or less intense".
