1) Compensation 1) Contrariety 2) Neutralisation 3) Neutralization 4) Nullification 5) Opposition 6) Override 
• (n.) Action in opposition; hindrance resistance.
Coun`ter·ac'tion noun Action in opposition; hindrance resistance. « [ They] do not . . . overcome the counteraction of a false principle or of stubborn partiality. Johnson. » 
counteraction 1. Action intended to nullify the effects of some previous action. 2. Acting to make ineffective or to restrain or to neutralize the usually ill effects of something by means of an opposite force, action, or influence.