Definition of: correlative

(kə·rel′ə·tiv) adjective
1. Having correlation; especially, mutually involving or implying one another: correlative structures.
2. Mutually related to grammatical or logical significance; referring to each other: either and or are correlative conjunctions.
—noun
1. One of two or more persons or things united by reason of some natural relation or correspondence.
2. Either of two correlative terms.
—cor·rel′a·tive·ly adverb
—cor·rel′a·tive·ness, cor·rel′a·tiv′i·ty noun