[n] either of two correlated variables
[adj] (grammar) indicating a reciprocal or complementary relation; "correlative conjunctions"
[adj] mutually related
\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.
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.