Source : Webster's Revised Unabridged Dictionary (1913)

Correlative \Cor*rel"a*tive\ (k?r-r?l"?-t?v), a. [Cf. F.
   corr['e]latif.]
   Having or indicating a reciprocal relation.

         Father and son, prince and subject, stranger and
         citizen, are correlative terms.          --Hume.

Correlative \Cor*rel"a*tive\, n.
   1. One who, or that which, stands in a reciprocal relation,
      or is correlated, to some other person or thing. --Locke.

            Spiritual things and spiritual men are correlatives.
                                                  --Spelman.

   2. (Gram.) The antecedent of a pronoun.

Source : WordNet®

correlative
     adj 1: mutually related [syn: {correlate}, {correlated}]
     2: expressing a reciprocal or complementary relation;
        "correlative conjunctions"
     n : either of two correlated variables [syn: {correlate}]