The Collaborative International Dictionary of English v.0.48:
Sustain \Sus*tain"\, v. t. [imp. & p. p. Sustained; p. pr. &
vb. n. Sustaining.] [OE. sustenen, susteinen, OF. sustenir,
sostenir, F. soutenir (the French prefix is properly fr. L.
subtus below, fr. sub under), L. sustinere; pref. sus- (see
Sub-) + tenere to hold. See Tenable, and cf.
1. To keep from falling; to bear; to uphold; to support; as,
a foundation sustains the superstructure; a beast sustains
a load; a rope sustains a weight.
Every pillar the temple to sustain. --Chaucer.
2. Hence, to keep from sinking, as in despondence, or the
like; to support.
No comfortable expectations of another life to
sustain him under the evils in this world.
3. To maintain; to keep alive; to support; to subsist; to
nourish; as, provisions to sustain an army.
4. To aid, comfort, or relieve; to vindicate. --Shak.
His sons, who seek the tyrant to sustain. --Dryden.
5. To endure without failing or yielding; to bear up under;
as, to sustain defeat and disappointment.
6. To suffer; to bear; to undergo.
Shall Turnus, then, such endless toil sustain?
You shall sustain more new disgraces. --Shak.
7. To allow the prosecution of; to admit as valid; to
sanction; to continue; not to dismiss or abate; as, the
court sustained the action or suit.
8. To prove; to establish by evidence; to corroborate or
confirm; to be conclusive of; as, to sustain a charge, an
accusation, or a proposition.
Syn: To support; uphold; subsist; assist; relieve; suffer;
Moby Thesaurus II by Grady Ward, 1.0:
32 Moby Thesaurus words for "sustaining":
aid, backing, bearing, bolstering, bracing, burdened, buttressing,
carriage, carrying, holding, maintaining, maintenance,
moral support, propping, psychological support, reliance,
security blanket, shoring, subsidy, subvention, support,
supporting, supportive, supportive relationship,
supportive therapy, suspensory, sustainment, sustenance,
sustentation, sustentative, upholding, upkeep