Schmidt was apparently not willing to countermand his concessions directly.
From the time.com
A ship was immediately dispatched to Mytilene to countermand the execution order sent out the previous day.
From the en.wikipedia.org
So light in texture that it seemed to countermand some basic law of physics, with a creamy, savory miso paste interior.
From the businessweek.com
Since Barack Obama is not a fool, this can only mean that he's reluctant to countermand Gates and Gates's subordinates.
From the theatlantic.com
A doctor at a major teaching hospital recently told me that family members frequently countermand advanced directives.
From the scienceblogs.com
Again, the pensions bosses protested, and a fresh regulation was issued that seemed to countermand the original.
From the economist.com
The first officer did not have enough time to countermand his actions, before the plane stalled and crashed.
From the en.wikipedia.org
It's astonishing that the government could consider legislation with the prior intent of issuing guidance to countermand it.
From the en.wikipedia.org
Angry citizens are resorting to protests and referendums to countermand the decisions of a political class for which they have little respect.
From the economist.com
More examples
A contrary command cancelling or reversing a previous command
Revoke: cancel officially; "He revoked the ban on smoking"; "lift an embargo"; "vacate a death sentence"
Revocation is the act of recall or annulment. It is the reversal of an act, the recalling of a grant, or the making void of some deed previously existing.
An order to the contrary of a previous one; To revoke (a former command); to cancel or rescind by giving an order contrary to one previously given; To recall a person or unit with such an order