1 animate, brace up, consolidate, encourage, fortify, give new energy to, harden, hearten, invigorate, nerve, nourish, rejuvenate, restore, stiffen, toughen
2 augment, bolster, brace, build up, buttress, confirm, corroborate, enhance, establish, give a boost to, harden, heighten, increase, intensify, justify, reinforce, steel, substantiate, support, crush, debilitate, destroy, dilute, enervate, render impotent, sap, subvert, undermine, weaken