Countervail /(koun`t?r-v?l")/

Coun·ter·vail

Countervail

v. t.

imp. & p. p. Countervailed; p. pr. & vb. n. Countervailing

  1. To act against with equal force, power, or effect; to thwart or overcome by such action; to furnish an equivalent to or for; to counterbalance; to compensate.
    Upon balancing the account, the profit at last will hardly countervail the inconveniences that go allong with it.

Countervail

n.
  1. Power or value sufficient to obviate any effect; equal weight, strength, or value; equivalent; compensation; requital. [Obs.]
    Surely, the present pleasure of a sinful act is a poor countervail for the bitterness of the review.