v. 25B6; verb
the knights fortified their citadel : BUILD DEFENCES ROUND, strengthen, secure, protect.
the wall had been fortified : STRENGTHEN, reinforce, toughen, consolidate, bolster, shore up, brace, buttress.
I'll have a drink to fortify me : INVIGORATE, strengthen, energize, enliven, liven up, animate, vitalize, rejuvenate, restore, revive, refresh; informal pep up, buck up, give a shot in the arm to.
weaken, sedate, subdue.