Difference between Important and Authoritative

IMPORTANT vs AUTHORITATIVE: ADJECTIVE

Carrying or possessing weight or consequence; of valuable content or bearing; significant; weighty.
Full of, or burdened by, import; charged with great interests; restless; anxious.
Importunate.
Bearing on; forcible; driving.
Strongly affecting the course of events or the nature of things; significant.
Of extreme importance; vital to the resolution of a crisis
Important in effect or meaning
Having authority or ascendancy or influence
Having or suggesting a consciousness of high position
Having high social rank or influence; prominent.
Importunate; pressing; urgent.
Of great significance or value
Having relevant and crucial value.

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

Of extreme importance
Vital to the resolution of a crisis
[Appar. confused with importunate. Cf. importunate, 1.] Importunate; eager; pressing.
Consequential; pretentious; pompous: as, an important manner.
Of much import; bearing weight or consequence; momentous; grave; significant.

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

Decisive, Remarkable, Great, Influential, Momentous, Significant, Noteworthy, Fundamental, Useful, Pivotal, Valuable, Key, Critical, Essential, Crucial

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

Decisive, Remarkable, Great, Influential, Momentous, Significant, Noteworthy, Fundamental, Useful, Pivotal, Valuable, Key, Critical, Essential, Crucial

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

It is also important that we hear MPs.
Africa play an important role in human diseases.
What other tests are important with this disease?
Use emphasis sparingly, for your most important info.
All very important factors again in analyzing precedent.
It is important that procedures are followed, but it is also important that it can be shown and proved that procedures were followed.
It is important to look at your objectives for your retirement years to determine if it is important to protect your assets.
The President is important to the extent that the federal government is important.
Students illustrate an important event in the book and then explain in writing what took place and why it was important.
Building regulations have an important role to play, but we should not forget the important role of planning.

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.