reciprocity

NOUN

the practice of exchanging things with others for mutual benefit, especially privileges granted by one country or organization to another.

‘the Community intends to start discussions on reciprocity with third countries’

synonyms: exchange, trade, trade-off, swap, switch, barter, substitute, substitution, reciprocity, reciprocation, return, payment, remuneration, amends, compensation, indemnity, recompense, restitution, reparation, satisfaction