reciprocation

1. (countable, uncountable)The act of reciprocating; interchange of acts; a mutual giving and returning.

   the reciprocation of kindness

   mutual interaction; the activity of reciprocating or exchanging (especially information)

2. (countable, uncountable)Alternate recurrence or action; as, the reciprocation of the sea in the flow and ebb of tides, or the back and forth motion in a piston engine.

   Near-synonym: oscillation

   Vergeltung, Erwiderung

regular