The act or process of interchanging.
The definition of back-scratching refers to an exchange of favors.
The act or an instance of exchanging:
Find another word for reciprocity. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for reciprocity, like: interchange, mutual understanding, reciprocality, mutuality, back-scratching, congruence, connectedness, interdependence, exchange, complementarity and interdependency.