Subordinative
Pronunciation : Sub*or"di*na*tive
Part of Speech : a.
Definition : Defn: Tending to subordinate; expressing subordination; used to introduce a subordinate sentence; as, a subordinative conjunction.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder