Synonyms: reciprocation, interchange, give-and-take
Definition: mutual interaction; the activity of reciprocating or exchanging (especially information)
Similar words: interaction
Definition: a mutual or reciprocal action; interacting
Synonyms: reciprocation
Definition: alternating back-and-forth movement
Similar words: motility, motion, move, movement
Definition: a change of position that does not entail a change of location
Usage: the reflex motion of his eyebrows revealed his surprise; movement is a sign of life; an impatient move of his hand; gastrointestinal motility
Synonyms: reciprocation
Definition: the act of making or doing something in return
Similar words: getting even, return, paying back
Definition: a reciprocal group action
Usage: in return we gave them as good as we got