Difference between Authoritative and Definitive

AUTHORITATIVE vs DEFINITIVE: NOUN

A word used to define or limit the extent of the signification of a common noun, such as the definite article, and some pronouns.
In grammar, a defining or limiting word, as an article, a demonstrative, or the like.
A definitive postage stamp.
A word that defines or limits, such as the definite article or a demonstrative pronoun.
A word, such as a definite article or demonstrative pronoun, that defines or limits something
An ordinary postage stamp that is part of a series of all denominations or is reprinted as needed to meet demand

Having a commanding style.
Highly accurate or definitive; treated or worthy of treatment as a scholarly authority
Arising or originating from a figure of authority
Having, or proceeding from, due authority; entitled to obedience, credit, or acceptance; determinate; commanding.
Demonstrating authority; commanding.
Of acknowledged accuracy or excellence; highly reliable.
Having or arising from authority; official.
Of recognized authority or excellence
Having authority or ascendancy or influence
Sanctioned by established authority

Supplying or being a final settlement or decision; conclusive: : decisive.
Of recognized authority or excellence
Clearly defined or formulated
Supplying or being a final or conclusive settlement
Serving to define or identify as distinct from others.
General, not issued for commemorative purposes
Definite, authoritative and complete
Conclusive or decisive
Explicitly defined
Determined; resolved.
Limiting; determining.
Determinate; positive; final; conclusive; unconditional; express.
Mass produced in indefinite quantities over an indefinite period of time. Used of postage stamps.
Fully formed or developed, as an organ or structure.
Authoritative and complete.

Having due authority; having the sanction or weight of authority; entitled to credence or obedience: as, “authoritative teaching,” Barrow.
Having an air of authority; positive; peremptory; dictatorial.
Synonyms Authoritative, Magisterial, etc. (see magisterial), commanding.

To make definite.
Limiting the extent; determinate; positive; express: as, a definitive term.
Ending; determining; final; conclusive: opposed to conditional, provisional, or interlocutory.
In metaphysics, having position without occupying space.
In logic, applied to a judgment which is accompanied by a full assent of the mind.
Specifically— In biology, completely formed; fixed and finished: opposed to primitive or formative: as, the definitive aorta; a definitive anus.

Relevant, Reputable, Credible, Respected, Trusted, Trustworthy, Accurate, Reliable, Authorized, Standard, Official, Classical, Important, Influential, Definitive

Irrefutable, Exhaustive, Unambiguous, Formal, Accurate, Precise, Definite, Expressed, Determinate, Standard, Classical, Explicit, Authoritative, Unequivocal, Conclusive

Relevant, Reputable, Credible, Respected, Trusted, Trustworthy, Accurate, Reliable, Authorized, Standard, Official, Classical, Important, Influential, Definitive

Irrefutable, Exhaustive, Unambiguous, Formal, Accurate, Precise, Definite, Expressed, Determinate, Standard, Classical, Explicit, Authoritative, Unequivocal, Conclusive

No authoritative, comprehensive list exists of designated NSSEs.
AUTHORITATIVE FORCE OF JUDICIAL DECISIONS IN OTHER STATES.
Texas from reliable and authoritative providers of information.
Defines if an Item is deprecated or authoritative.
Congress and authoritative interpretation by the Supreme Court.
If the expert does not recognize the author of the published treatise to be authoritative, then the court may recognize the treatise as authoritative.
Are to comply with the guidance as though they are authoritative if no authoritative guidance exists in the area.
It came to mean an authoritative standard, and so the canon of Scripture is the collection of writings that are divinely authoritative.
Activity Authoritative Reference: Location of authoritative FM Standard Reference that supports the activity.
Our methodology works its way down from the most authoritative sources to the least authoritative sources.

There is no definitive text to be discovered.
It also provides definitive guidelines concerning eligibility requirements.
Dead Island Definitive Edition Dead Island Definitive Edition.
Order to run Age of Empires II: Definitive Edition will run Age of Empires II Definitive.
On the issuance of Definitive Notes to Note Owners, the Indenture Trustee will recognize the holders of the Definitive Notes as Noteholders.
Since there is no definitive, stable problem there is often no definitive solution to wicked problems.
Holder of Unrestricted Definitive Notes may transfer such Notes to a Person who takes delivery thereof in the form of an Unrestricted Definitive Note.
Minor Definitive Subdivision Plan when a modification to a previously approved Definitive Subdivision Plan is proposed, if applicable.
For the purposes of review and applicable submittal requirements Definitive Subdivision Plan Review shall be broken down into Major or Minor Definitive Subdivision Review.
Pending preparation of the definitive bonds, the SEUmay issue interim receipts or certificates which shall be exchanged for such definitive bonds.