conceding
v.v. admitting that something is true, even if you do not want to. It can also mean accepting that you have lost a game or an argument.
v. admitting that something is true or valid after first denying or resisting it; also refers to yielding a right, privilege, or victory. Present participle form used to describe the act of surrender or acknowledgement.
He is finally conceding that his plan will not work.
After the final votes were counted, the candidate called her opponent to offer a speech conceding the election.
While conceding that the initial hypothesis was flawed, the lead researcher maintained that the secondary data still offered significant insights into the behavior of the control group.
The verb is transitive and typically takes a direct object or a 'that' clause.
He is conceding about his mistake.He is conceding his mistake.Concede is a transitive verb and does not require a preposition like 'about' before the object.