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

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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

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Example Sentences

Recent Examples of Synonyms for sustentation
Noun
  • Although predictive maintenance mostly helps operational efficiency and cost control, its influence also reaches customer experience.
    Kalyan Gottipati, Forbes.com, 6 June 2025
  • According to the complaint, Hamoud was hired as a bus operator at the agency in 2010 and then transferred to facilities maintenance in 2019.
    Natalie Demaree, Kansas City Star, 6 June 2025
Noun
  • The budget does include $500,000 for affordable housing preservation.
    David Garrick, San Diego Union-Tribune, 6 June 2025
  • That metadata then flows into a robust toolset for organizing, managing, and preparing collections for either long-term preservation through Portico or for broader access via the JSTOR platform.
    Sara Ivry, JSTOR Daily, 4 June 2025
Noun
  • Hall agrees, adding that environmentalism and conservation are conventionally conservative values.
    David Vetter, Forbes.com, 27 May 2025
  • Yosemite post office, now 100, has seen it all May 23, 2025 Yosemite may also face staffing shortages this year due to cuts at the National Park Service and other federal agencies, according to the Yosemite Conservancy, a nonprofit dedicated to the park’s conservation.
    Hayley Smith, Los Angeles Times, 25 May 2025
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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Cite this Entry

“Sustentation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sustentation. Accessed 10 Jun. 2025.

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