reciprocally

adverb

1. (often followed by `for') in exchange or in reciprocation

   adv.all

   Synonyms in return

   Source: WordNet 3.0

2. in a mutual or shared manner

   adv.all

   Examples

   The goals of the negotiators were not reciprocally exclusive.

   Synonyms mutually

   Source: WordNet 3.0

3. in an inverse or contrary manner

   adv.all

   Examples

   Wavelength and frequency are, of course, related reciprocally.

   Synonyms inversely

   Source: WordNet 3.0

4. In a reciprocal manner; so that each affects the other, and is equally affected by it; interchangeably; mutually.

   adverb

   Source: webster1913