reciprocally

• POS: Adverb
• HYPHEN: re=cip=ro=cal=ly

CIDE DICTIONARY

reciprocally, adv. 

•  In a reciprocal manner; so that each affects the other, and is equally affected by it; interchangeably; mutually.  [1913 Webster]

  "These two particles do reciprocally affect each other with the same force."  [1913 Webster]
•  In the manner of reciprocals.  [1913 Webster]

Reciprocally proportional (Arith. & Alg.), proportional, as two variable quantities, so that the one shall have a constant ratio to the reciprocal of the other.

ROGET THESAURUS

reciprocally

Correlation

N correlation, reciprocalness, reciprocity, reciprocation, mutuality, correlation, interdependence, interrelation, connection, link, association, interchange, exchange, barter, reciprocator, reprocitist, reciprocal, mutual, commutual, correlative, reciprocative, interrelated, closely related, alternate, interchangeable, interdependent, international, complemental, complementary, mutually, mutatis mutandis, vice versa, each other, one another, by turns, reciprocally, happy in our mutual help.