COUNTERVAIL

countervail. Countervail, v.t. to have equal power, to requite

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Coun′ter‐vail″ (koun′t?r–v?l″), v. t. [imp. & p. p. Countervailed (–v?ld); p. pr. & vb. n. Countervailing.] [[OF. contrevaloir; contre (L. contra) + valoir to avail, fr. L. valere to be strong, avail. See Vallant.]] 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. L'Estrange.