reciprocation

And, I appreciate the reciprocation of warm nuts and having a decent five hours sleep when I take a red-eye.

Sufficiently convinced that he might know what he was doing, I set my boundaries: hands only, external only, no reciprocation.

It suited both parties to maintain harmony—it behoved every Afrikaner to be one-minded in friendly reciprocation.

It is difficult perhaps for an inferior mind to estimate what a superior mind enjoys in the reciprocation of affection.

Even the Seeds of these two plants are so alike that one sometimes sows Antipathy when he thinks he is sowing Reciprocation.

But it had turned bitter cold, and the idea of friendly reciprocation occurred to nobody next door.

On these principles can be founded a theory of reciprocation with respect to a linear complex.