concession
concession (concesión)
admitting that part of the other side's argument is fair or true before answering it.
Example
To be fair, the new lanes will cost money, but they will save time for thousands. (To be fair signals a concession.)
In Spanish
concession (concesión) — admitir que una parte del argumento del otro lado es justa o cierta antes de responderle.
To be fair, the new lanes will cost money, but they will save time for thousands. (To be fair indica una concesión.)