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
  • If your home doesn't have hard water, then it's recommended to clean your shower head every 2 to 3 months for general maintenance and safe hygeine.
    Ashlyn Needham, Southern Living, 10 Sep. 2025
  • The Denver Broncos have agreed to provide Denver Water with three parcels to place the parts of its campus that housed its operations and maintenance, distribution, trades, fleet, meter shop, warehouse and a health clinic.
    Aldo Svaldi, Denver Post, 10 Sep. 2025
Noun
  • This fall’s exhibition at the University of Minnesota’s art museum asks us to consider the rug — a functional object, a decorative object, an artistic object, a form of storytelling and cultural preservation.
    Jared Kaufman, Twin Cities, 7 Sep. 2025
  • But the County Commission then voted to nullify the preservation board’s move, Stander recalled.
    Vinod Sreeharsha, Miami Herald, 6 Sep. 2025
Noun
  • There are solutions for age verification that are both accurate and privacy preserving.
    Annie Chestnut Tutor, Boston Herald, 18 Aug. 2025
Noun
  • This is important for conservation when considering breeding and relocation initiatives to increase the size and health of populations.
    Maria Mocerino, Interesting Engineering, 6 Sep. 2025
  • Money raised from Arizona lottery games goes toward funding higher education, health and human services, environmental conservation and economic and business development in the state.
    Lorenzino Estrada, AZCentral.com, 6 Sep. 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 11 Sep. 2025.

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