1
as in maintenance
the act or activity of keeping something in an existing and usually satisfactory condition
argues that a new toll is needed to pay for the long-term sustentation of the city's bridges
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in preservation
the careful maintaining and protection of something valuable especially in its natural or original state
the all-important sustentation of Mount Vernon, Monticello, and other national treasures
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for sustentation
Noun
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Patients may then continue taking the medications for at least one or two additional years — what is known as maintenance treatment.—
The New York Times News Service Syndicate,
San Diego Union-Tribune,
27 Jan. 2026 -
Predictive maintenance will also advance rapidly.—
Peter Lyon,
Forbes.com,
27 Jan. 2026
Noun
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Lawmakers are drafting federal film tax incentive legislation and demanding CEOs answer questions about job preservation and AI use in entertainment.—
Cerys Davies,
Los Angeles Times,
6 Feb. 2026
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Classes given by the museum’s school ensure the craft’s preservation.—
Adam Erace,
Travel + Leisure,
6 Feb. 2026
Noun
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There are solutions for age verification that are both accurate and privacy preserving.—
Annie Chestnut Tutor,
Boston Herald,
18 Aug. 2025
Noun
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Coverage will feature a look at the island’s historic significance as a military base, prison and seabird conservation site.—
Andrew Greif,
NBC news,
8 Feb. 2026
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On Thursday, the city’s Historic Preservation team presented a draft to the neighborhood showing what a conservation district would look like, including design guidelines for new construction and renovations, trees, yards and fences.—
Kamal Morgan
February 7,
Fort Worth Star-Telegram,
7 Feb. 2026
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Cite this Entry
“Sustentation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sustentation. Accessed 9 Feb. 2026.
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