concession · noun /kənˈseʃ.ən/
concession
C2 C something that you agree to do or give to someone in order to end an argument
Dictionary example:
Both sides will have to make concessions.
Learner example:
Nevertheless, I still have the impression that some concessions have to be made and from personal experience, I can say it is very different to base your choice on a single criterion. (Certificate of Proficiency in English; C2; French)