In a reciprocal manner; by way of returning (e.g. a favour, insult, etc).(adverb)
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Use "reciprocally" in a sentence
"Thus we cannot use the terms reciprocally, for the word"
"Thus we cannot use the terms reciprocally, for the word 'boat' cannot be said to find its explanation in the word 'rudder'."
"I find my spirits and my health affect each other reciprocally that is to say, every thing that discomposes my mind, produces a correspondent disorder in my body; and my bodily complaints are remarkably mitigated by those considerations that dissipate the clouds of mental chagrin. —"