To agree, verify or concur; to answer positively.
To make firm; to confirm, or ratify; especially (law) to assert or confirm, as a judgment, decree, or order, brought before an appellate court for review.
To state under a solemn promise to tell the truth which is considered legally equivalent to an oath, especially of those who have religious or other moral objections to swearing oaths; also solemnly affirm.
To assert positively; to tell with confidence; to aver; to maintain as true.
To support or encourage.
To counter; to contrast or contradict.
To make a counterplay; to play in response.
A subversive style of gameplay in which a player attempts to overturn the usual rules and conventions of the game.
A game move made as a response.
A counterattack in a different part of the board.