1. Mutual interaction; the activity of reciprocating or exchanging (especially information)
   "The reciprocation of ideas at the conference was stimulating";
   - interchange, give-and-take
    
2. The act of making or doing something in return
   "His reciprocation of the favour was greatly appreciated"
    
3. Alternating back-and-forth movement
   "The reciprocation of the engine's pistons powered the car forward"

Derived forms: reciprocations

Type of: getting even, interaction, motility, motion, move, movement, paying back, return

Encyclopedia: Reciprocation