Reciprocity

Starting next month, Brazil will implement the law of reciprocity with Spain.

Hospitality is based on reciprocity.

The demand for reciprocity in love doesn't come from love, but from vanity.

The ideal love is the kind that is nourished by reciprocity.

In a friendship, reciprocity occurs where the contribution of each party meets the expectations of the other party.

There might be benefit on one side, and obligation on the other; but their reciprocity of affection, their mutual exchange of small kindnesses—those strongest rivets of common attachment—were no more.