as in cornerstone
an immaterial thing upon which something else rests
a sense of history is the keystone to the city's draw as a tourist destination
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Recent Examples of keystone
Wellness amenities have been a keystone of luxury developments for years—the wealthy are infatuated with health and longevity hacks, after all.
—
Brooke Seipel, Fortune, 4 Dec. 2024
And so, after decades of protests from the region’s indigenous tribes, California and Oregon issued approval for dam removal to restore habitat for four keystone fish species: Chinook salmon, Coho salmon, Pacific lamprey, and steelhead trout.
—Kelly Bastone, Outside Online, 24 Nov. 2024
Modern digital computers end up at the keystone machine level using individual bits that consist of only two possible states.
—Lance Eliot, Forbes, 22 Nov. 2024
These paintings are keystone works of Western art, and were at the top of my list of Umbrian must-sees.
—Peter Terzian, Travel + Leisure, 17 Oct. 2024
See all Example Sentences for keystone 
Brooke Seipel, Fortune, 4 Dec. 2024
And so, after decades of protests from the region’s indigenous tribes, California and Oregon issued approval for dam removal to restore habitat for four keystone fish species: Chinook salmon, Coho salmon, Pacific lamprey, and steelhead trout.
—Kelly Bastone, Outside Online, 24 Nov. 2024
Modern digital computers end up at the keystone machine level using individual bits that consist of only two possible states.
—Lance Eliot, Forbes, 22 Nov. 2024
These paintings are keystone works of Western art, and were at the top of my list of Umbrian must-sees.
—Peter Terzian, Travel + Leisure, 17 Oct. 2024
See all Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
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Empathy is a cornerstone of effective leadership, yet narcissistic leaders often dismiss the needs or emotions of others.—
Cheryl Robinson,
Forbes,
16 Jan. 2025
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Sousa Design’s holistic model is the cornerstone of its success.—
Chris Gallagher,
USA TODAY,
16 Jan. 2025
Noun
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Prior to the 2023 season, Major League Baseball announced a spate of rules designed to make stealing bases easier — instituting penalties for pitchers who take too much time between pitches, and fail to pick off a runner within three attempts.—
Paul Du Quenoy,
Newsweek,
10 Jan. 2025
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Airlines and airports handle security breaches on a case-by-case basis, investigating and addressing any lapses.—
Zach Wichter,
USA TODAY,
10 Jan. 2025
Noun
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Plus, cultural figures such as the family foundation of Mellody Hobson and George Lucas, Kate Capshaw and Steven Spielberg and their Heartland Foundation.—
The Editors of ARTnews,
ARTnews.com,
16 Jan. 2025
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Without that foundation, his selection was reminiscent of Dyche’s time, albeit with a few subtle tweaks in personnel and tactics.—
Patrick Boyland,
The Athletic,
16 Jan. 2025
Noun
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Their talent spotting was the bedrock of their unbeaten domestic double last season.—
The Athletic UK Staff,
The Athletic,
10 Jan. 2025
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The Foundation: Expertise And Credibility In an industry rife with pseudoscience, expertise is the bedrock upon which true leadership is built.—
Lara Devgan,
Forbes,
30 Dec. 2024
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Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 22 Jan. 2025.
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