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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The service allows airlines to stream entertainment to passengers’ devices instead of installing heavier in-flight entertainment systems, reducing maintenance and fuel costs.—
Sydney Goh,
CNBC,
30 Mar. 2026 -
The special tax zone, which is exlusive to the property, will exact a property tax on future homeowners and buisnesses to fund the creation and maintenance of future roads, sewers and water utilities across the development.—
Samuel O’Neal
March 30,
Fort Worth Star-Telegram,
30 Mar. 2026
Noun
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There are over 24 Art Deco preservation societies worldwide, including an international Art Deco Society.—
Daily News,
Daily News,
3 Apr. 2026
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In the study, instances of peer preservation increased when AI models knew of the existence of other models in the experimental scenarios.—
Sasha Rogelberg,
Fortune,
3 Apr. 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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The zoo is accredited by the Association Of Zoos And Aquariums and has a dedicated conservation effort.—
Emma Caughlan,
NBC news,
5 Apr. 2026
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Nick Fasciano, executive director for the nonprofit conservation group Idaho Wildlife Federation, testified in support of the bill in front of the House committee.—
Nicole Blanchard,
Idaho Statesman,
4 Apr. 2026
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Cite this Entry
“Sustentation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sustentation. Accessed 6 Apr. 2026.
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