cornerstone
noun
cor·ner·stone
ˈkȯr-nər-ˌstōn 
1
: a stone forming a part of a corner or angle in a wall
specifically
: such a stone laid at a formal ceremony
2
: a basic element : foundation
a cornerstone of foreign policy
Synonyms
Examples of cornerstone in a Sentence
Officials held a ceremony to lay the cornerstone for a new library.
Trust is the cornerstone of their relationship.
Recent Examples on the Web
Battaglia also pointed to the growing importance of energy management technologies as a cornerstone for future infrastructure development.
—
Christer Holloman, Forbes, 29 Oct. 2024
In an age of tech disruption, the value of live experiences is skyrocketing—and sports remains a cornerstone of entertainment and human connection.
—Samuel Burke, Fortune Europe, 29 Oct. 2024
As retailers continue to adapt and innovate, the future of brick-and-mortar stores not only looks secure, but shines as a cornerstone of retail’s next great chapter.
—Arthur Zaczkiewicz, WWD, 28 Oct. 2024
With art forms as varied as the island’s landscape, the exhibition serves as both a reflection of Bermuda’s past and a window into its future, where creativity continues to thrive as a cornerstone of its identity.
—Shelby Stewart, Essence, 24 Oct. 2024
See all Example Sentences for cornerstone 
Christer Holloman, Forbes, 29 Oct. 2024
In an age of tech disruption, the value of live experiences is skyrocketing—and sports remains a cornerstone of entertainment and human connection.
—Samuel Burke, Fortune Europe, 29 Oct. 2024
As retailers continue to adapt and innovate, the future of brick-and-mortar stores not only looks secure, but shines as a cornerstone of retail’s next great chapter.
—Arthur Zaczkiewicz, WWD, 28 Oct. 2024
With art forms as varied as the island’s landscape, the exhibition serves as both a reflection of Bermuda’s past and a window into its future, where creativity continues to thrive as a cornerstone of its identity.
—Shelby Stewart, Essence, 24 Oct. 2024
See all Example Sentences for cornerstone
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cornerstone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near cornerstone
Cite this Entry
“Cornerstone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cornerstone. Accessed 4 Nov. 2024.
Copy CitationKids Definition
cornerstone
noun
cor·ner·stone
ˈkȯr-nər-ˌstōn
1
: a stone forming part of a corner in a wall
2
: something of basic importance
the cornerstone of our foreign policy
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