ETYMOLOGY
from debate (vb.) + -ive
EXAMPLE
“… It is a wonder to behold, that in one man should appeare so many tokens of valour, as first to be the ouerthrow of so mighty a kingdome: next of the setting vp & revniting again of the same: Againe, that whersoeuer he tooke part, victory was euermore attendant vppon his actions; which was the onely cause they honored him aboue men, and little lesse than a God, they were driuen into a debatiue meditation, whether they offered him more wrong in his banishment, or more honnor in calling him home: …”
From: The Historie of Iustine Containing a Narration of Kingdomes, from the beginning of the Assyrian Monarchy, vnto the Raigne of the Emperour Augustus
Translated by G.W., 1606
Lexicophilia 