Synonyms and related words :
activate, animate, arouse, beef up, boost, brace, brace up, brighten, brisk, brisken, buck up, buoy up, buttress, case harden, cheer, chirk up, confirm, dynamize, electrify, encourage, energize, enliven, exhilarate, fillip, fire, fortify, fresh up, freshen, freshen up, galvanize, gird, give a lift, gladden, harden, hearten, inflame, infuse life into, inspire, inspirit, interesting, jazz up, kindle, liven, nerve, pep up, perk up, pick up, pique, prop, provoke, quicken, rally, reanimate, recreate, refresh, refreshen, regale, reinforce, reinvigorate, rejoice, rejoice the heart, rejuvenate, renew, restore, restrengthen, resuscitate, revive, revivify, rouse, set up, sharpen, shore up, snap up, steel, stiffen, stimulate, stir, strengthen, support, sustain, temper, toughen, undergird, vitalize, vivify, warm, whet, zip up