To set against

to oppose; to set in comparison with, or to oppose to, as an equivalent in exchange; as, to set one thing against another.
- Shak.

See also: Set

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
Idle, vain, malicious, false--to know that Francine's character presented these faults, without any discoverable merits to set against them, was surely enough to justify a gloomy view of the prospect, if she succeeded in winning the position of Emily's friend.
What advantage had she gained to set against these disasters?
"We have already arranged for a limited company to sell quota - this would previously have been treated as a capital loss, which would only be of any use if there was a capital gain to set against in the future, " he said.