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
Synonyms & Similar Words
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Recent Examples of keystone
Just trying to get to the keystones in this instance.
—
Lance Eliot, Forbes.com, 24 Jan. 2026
The action ties together seven independent local affiliates in the state, including one in Orlando, and is expected to be the keystone for additional units.
—Orlando Sentinel Staff, The Orlando Sentinel, 19 Jan. 2026
To many in the US, the keystone of the American dream is a house.
—Michaëla De Lacaze Mohrmann, Artforum, 1 Jan. 2026
That does seem like a keystone way to navigate your startup.
—Neil Senturia, San Diego Union-Tribune, 22 Dec. 2025
See All Example Sentences for keystone
Lance Eliot, Forbes.com, 24 Jan. 2026
The action ties together seven independent local affiliates in the state, including one in Orlando, and is expected to be the keystone for additional units.
—Orlando Sentinel Staff, The Orlando Sentinel, 19 Jan. 2026
To many in the US, the keystone of the American dream is a house.
—Michaëla De Lacaze Mohrmann, Artforum, 1 Jan. 2026
That does seem like a keystone way to navigate your startup.
—Neil Senturia, San Diego Union-Tribune, 22 Dec. 2025
See All Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
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This property is crucial for generating quantum entanglement between distant nodes, another cornerstone of future quantum communication networks, as per the release.—
Prabhat Ranjan Mishra,
Interesting Engineering,
19 Mar. 2026
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The tech industry has fiercely lobbied against efforts to modify or abolish Section 230, as it is considered a cornerstone of Silicon Valley’s growth over the past 30 years.—
Ted Johnson,
Deadline,
18 Mar. 2026
Noun
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The Tax Foundation projects Van Hollen’s plan would cost the Treasury just under $180 billion over 10 years on a dynamic basis.—
Zach Halaschak,
The Washington Examiner,
18 Mar. 2026
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And then, after Eugenio Suarez squared up a Garrett Whitlock changeup near the middle of the strike zone and sent it to left-center field, the 5-7, 150-pound Sanoja bolted around the bases.—
Jordan McPherson,
Miami Herald,
18 Mar. 2026
Noun
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October 23 – November 21 Your unique foundation is valid, Scorpio — don’t let anyone tell you otherwise!—
Tarot.com,
New York Daily News,
14 Mar. 2026
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Zimbabwe also has a foundation of technical expertise to support the industry, according to Gift Mehlana, president of the Chemical Society of Zimbabwe.—
Ray Mwayera,
semafor.com,
13 Mar. 2026
Noun
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Transparency is the bedrock of public trust.—
Sun Sentinel Editorial Board,
Sun Sentinel,
15 Mar. 2026
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The freedom of speech is the bedrock of our constitutional democracy.—
Letters to the Editor,
The Orlando Sentinel,
11 Mar. 2026
Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 21 Mar. 2026.
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