WordNet
reciprocatory
adj. moving alternately backward and forward [syn: reciprocating]
Usage examples of "reciprocatory".
Still, considering the way Burke himself felt at their being close enough to touch, he always half-expected some slight reciprocatory sign -- perhaps a change of expression, the flutter of an eyelid, something.
He made an expansive gesture that completed the sentence and promised all that the most exacting might demand of a reciprocatory nature.