avert

anticipate, provide

negate, neutralize, nullify

save

baffle, balk, checkmate, deter, foil, frustrate, thwart

bar, block, hamper, hinder, impede, interfere (with), retard, stall

deflect, fend (off), stop, ward (off)

avoid, circumvent, dodge, duck, elude, escape, eschew, evade, shake, shirk, shun

forbid, inhibit, prohibit

arrest, check, halt, stop

compensate (for), counteract, counterbalance, make up (for), offset