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Synonyms & Antonyms of sustentation
1
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
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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Merriam-Webster unabridged
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The first known use of sustentation was in the 14th century
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