reciprocity

Noun

Singular reciprocity

Plural reciprocities

1. (uncountable) Reciprocity is a relationship in which a something is given, and something is expected back in return.
2. (uncountable) Reciprocity is a relationship which means quid pro quo or "fair trade".

   You scratch my back, and I'll scratch your back: that's reciprocity.

Related words

• reciprocal