neutralize
I
verb
annul, balance, cancel, cancel out, counterbalance, counterpoise, countervail, deactivate, deaden, demagnetize, destroy the effect of, disable, disenable, equalize, incapacitate, invalidate, make ineffective, negate, nullify, offset, render inert, render inoperative, render neutral, vitiate
II
index
compensate (counterbalance), counteract, countervail, cross (disagree with), disable, disarm (divest of arms), disqualify, dissolve (terminate), frustrate, negate, nullify, outbalance, prevent, remedy, vitiate
Burton's Legal Thesaurus.
William C. Burton.
2006