supply with necessities and support; "She alone sustained her family"; "The money will sustain our good cause"; "There's little to earn and many to keep"
certainty based on past experience; "he wrote the paper with considerable reliance on the work of other scientists"; "he put more trust in his own two legs than in the gun"
provide physical relief, as from pain; "This pill will relieve your headaches"
alleviate or remove (pressure or stress) or make less oppressive; "relieve the pressure and the stress"; "lighten the burden of caring for her elderly parents"