Definition of authoritynext
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as in reason
something (as a belief) that serves as the basis for another thing I had good authority to believe that the information was correct

Synonyms & Similar Words

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as in source
something mentioned in a text as providing related and especially supporting information the Bible is the sole authority for his impassioned defense of creationism

Synonyms & Similar Words

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Synonym Chooser

How does the noun authority contrast with its synonyms?

Some common synonyms of authority are command, control, dominion, jurisdiction, power, and sway. While all these words mean "the right to govern or rule or determine," authority implies power for a specific purpose within specified limits.

granted the authority to manage her estate

When is command a more appropriate choice than authority?

While the synonyms command and authority are close in meaning, command implies the power to make arbitrary decisions and compel obedience.

the army officer in command

When would control be a good substitute for authority?

The meanings of control and authority largely overlap; however, control stresses the power to direct and restrain.

you are responsible for the students under your control

When might dominion be a better fit than authority?

The words dominion and authority can be used in similar contexts, but dominion stresses sovereign power or supreme authority.

given dominion over all the animals

When can jurisdiction be used instead of authority?

In some situations, the words jurisdiction and authority are roughly equivalent. However, jurisdiction applies to official power exercised within prescribed limits.

the bureau having jurisdiction over parks

In what contexts can power take the place of authority?

The words power and authority are synonyms, but do differ in nuance. Specifically, power implies possession of ability to wield force, authority, or influence.

the power to mold public opinion

When could sway be used to replace authority?

The synonyms sway and authority are sometimes interchangeable, but sway suggests the extent of exercised power or influence.

the empire extended its sway over the region

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of authority After he was detained, Russian authorities charged Hubbard with acting as a mercenary and fighting for Ukraine, sentencing him to nearly seven years in prison. — ABC News, 21 Oct. 2026 Izzy Trejo, executive director of the New Mexico Racing Commission, said in an email that the commission had no authority over the matter. — Abe Streep, ProPublica, 21 Oct. 2026 With more than 4,400 measles cases in the United States this year, double the number in 2025, public health authorities are desperate to persuade more people to take the virus seriously. — Nicholas Florko, STAT, 21 Oct. 2026 Russian authorities accused him of manning a checkpoint for mercenaries. — Jennifer Jacobs, CBS News, 21 Oct. 2026 See All Example Sentences for authority
Recent Examples of Synonyms for authority
Noun
  • Several outside experts agreed with him, calling the methods state-of-the-art.
    — Arkansas Online, Arkansas Online, 24 Oct. 2026
  • Legal experts have echoed those concerns, noting that relying on the NVRA’s general preamble language to halt state election certification lacks precedent.
    — Hugh Son, CNBC, 24 Oct. 2026
Noun
  • Last week, a federal judge granted the news outlets their request for a preliminary injunction against the government ban as the case moves through the legal system.
    — Arkansas Online, Arkansas Online, 21 Oct. 2026
  • Filling a government gap The new pledge comes as governments fall far behind their own nature-funding targets.
    — Sydney Lake, Fortune, 21 Oct. 2026
Noun
  • The four-bedroom home features modern heritage influences—like contemporary shaker furniture paired with more contemporary light fixtures—that define the interiors.
    — Audrey Lee, Architectural Digest, 20 Oct. 2026
  • Dark matter cannot be observed directly through ordinary light, but its gravitational influence helps shape the distribution of galaxies.
    — Kaif Shaikh, Interesting Engineering, 20 Oct. 2026
Noun
  • Ukrainians are bracing for the bitterly cold months ahead as the recent escalation in Russian attacks targets the power grid to deny civilians heat, light and running water.
    — Arkansas Online, Arkansas Online, 23 Oct. 2026
  • Simply put, to stay economically competitive, America needs computing power that matches or beats its adversaries’.
    — Neil Chatterjee, Fortune, 23 Oct. 2026
Noun
  • All the more reason for leaders to play the generosity sweepstakes in ways that are advantageous to them.
    — Diane Brady, Fortune, 20 Oct. 2026
  • For that reason, Everett’s proposal is known as the Many Worlds interpretation of quantum mechanics.
    — Philipp Strasberg, Scientific American, 20 Oct. 2026
Noun
  • Mobile is obtaining water from an unapproved non-potable water source/hydrant.
    — Arkansas Online, Arkansas Online, 26 Oct. 2026
  • An October 7 analysis by the Center for Strategic and International Studies (CSIS), drawing on more than 90 Chinese-language sources, traces that process from battlefield observation to publicly visible changes in Chinese preparations.
    — Atharva Gosavi, Interesting Engineering, 25 Oct. 2026
Noun
  • The idea would be to equip all parties, from payers to providers to patients, with insights into effectiveness, cost, and value.
    — Dana P. Goldman, STAT, 22 Oct. 2026
  • Other topical treatments—such as retinoids, peptides, and vitamin C—are backed by years of research on safety and effectiveness.
    — Ashley Abramson, Allure, 22 Oct. 2026
Noun
  • No one gets out of this world without becoming a master of the art of losing, to invoke the poet Elizabeth Bishop.
    — Theater Critic, Los Angeles Times, 22 Oct. 2026
  • Supporting this remarkable local treasure offers a rare chance to experience authentic culinary artistry from a true master.
    — Michael Deeds, Idaho Statesman, 21 Oct. 2026

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Cite this Entry

“Authority.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authority. Accessed 26 Oct. 2026.

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