brace

shoring

column, pedestal, pilaster, pillar

arch, bolster, bracket, cantilever, girder

bearing

crutch, peg, post, stake, stanchion, stand, stilt, strut, truss

base, foundation, frame

span, yoke

partnership, team

companion, complement, doublet, fellow, half, match, mate, twin

coordinate, counterpart, equal, equivalent, like, parallel, peer, rival

arouse, awake, awaken, raise, rouse, stir, wake (up)

activate, actuate, drive, impel, motivate, motive, move, propel

charge, electrify, galvanize

enkindle, excite, ferment, foment, incite, inflame (also enflame), instigate, kindle, provoke, set off, spark, trigger, turn on, whip (up)

abet, boost, buoy, cheer, embolden, fortify, hearten, infuse, inspire, lift, rally, steel, strengthen

reactivate, reanimate, reawake, reawaken, recharge, recreate, reenergize, refresh, refreshen, regenerate, reinvigorate, rejuvenate, rekindle, renew, restimulate, resurrect, resuscitate, revitalize, revive

steady, truss, underlie

arm

harden, inure, season, toughen

bolster, boost, buoy (up), buttress, enforce, prop (up), reinforce (also reenforce), support, sustain

cheer (up), comfort, embolden, encourage, hearten, inspire

rally, rouse, stir