Synonyms of sustains

1 Syllable
lug, feed, bear, help, pack, save, tote, aid, prop, back, buoy
2 Syllables
support, nourish, buttress, nurse, protract, assist, defend, convey, bankroll, prolong, confirm, brace, favor, befriend, uphold, comfort, supply, bolster, transport, foster, carry, transfer
3 Syllables
endorse, nurture, ratify, continue, approve, preserve, relieve, verify
4 Syllables
validate