Correlative /(k?r-r?l"?-t?v)/

Cor·rel·a·tive

Correlative

a.
  1. Having or indicating a reciprocal relation.
    Father and son, prince and subject, stranger and citizen, are correlative terms.

Correlative

n.
  1. One who, or that which, stands in a reciprocal relation, or is correlated, to some other person or thing.
    Spiritual things and spiritual men are correlatives.
    — Spelman.
  2. The antecedent of a pronoun. (Gram.)