correlative

adj

1. Mutually related; corresponding.

noun

1. (formal)Either of two correlative things.

   “The actual motivation for this separation was a curious mixture of arrogance and respect: the new arrogance of the administrators abroad who faced 'backward populations' or 'lower breeds' found its correlative in the respect of old-fashioned statesmen at home who felt that no nation had the right to impose its law upon a foreign people.”

2. A pro-form; a non-personal pronominal, proadjectival, or proadverbial form