1. the practice of exchanging things with others for mutual benefit, especially as a response to kind or hostile treatment
2. a mutual or corresponding action or movement

Examples

• The treaty was based on reciprocation of trade benefits between the two nations.
• She expected some reciprocation of her kindness from her neighbors.
• The reciprocation of favors helped build strong relationships in the community.
• His generous gift was met with reciprocation in the form of volunteer work.
• The reciprocation of ideas between the scientists led to breakthrough discoveries.
• Without reciprocation, the friendship became one-sided and eventually ended.