Reciprocation
Part of speech: noun
Definition: The act of reciprocating; interchange of acts; a mutual giving and returning; as, the reciprocation of kindness. Alternate recurrence or action; as, the reciprocation of the sea in the flow and ebb of tides.
Interchange
Part of speech: verb
Definition: to switch (each of two things)to mutually give and receive (something); to exchangeto swap or change placesto alternate
Part of speech: noun
Definition: An act of interchanging.A highway junction in which traffic may change from one road to another without crossing a stream of traffic.A connection between two or more lines, services or modes of transport; a station at which such a connection can be made.