Found 2 items, similar to sustainment.
English → English (WordNet) Definition: sustainment sustainment n : the act of sustaining life by food or providing a means of subsistence; “they were in want of sustenance”; “fishing was their main sustainment” [syn: sustenance, sustentation, maintenance, upkeep]
English → English (gcide) Definition: Sustainment Sustainment \Sus*tain"ment\, n. The act of sustaining; maintenance; support. --Milton. Lowell. [1913 Webster]