sustention (noun) maintenance: perpetuation, support; sustenance
Sinonime: aliment, alimentation, alimony,
allowance, bacon, bread, bread and butter,
care, carrying,
conservation, continuance,
continuation,
food,
keep,
keeping, livelihood,
living,
nurture,
preservation, prolongation,
provision, repairs,
resources, retainment, salt,
subsistence,
supply, sustaining, sustainment, sustention, upkeep, wherewithal
Antonime: desertion, forsaking,
ignorance,
neglect