By agreement among nations, effort has been made to discountenance aggressive warfare.
"Sound Military Decision"
U.s. Naval War College
This barn lay a mile to the rear, across half a dozen meadows, over which Tristram was hurried at a quick trot, with the point of a bayonet at his back to discountenance delay.
"The Blue Pavilions"
Sir Arthur Thomas Quiller-Couch
Does she not shun me, discountenance me, and reprove me, by her silence and her averted eyes?
"Anna St. Ives"
Thomas Holcroft