Definify.com
Webster 1913 Edition
Superadvenient
Suˊper-ad-ven′ient
,Adj.
Coming upon; coming in addition to, or in assistance of, something.
[R.]
He has done bravely by the
superadvenient
assistance of his God. Dr. H. More.
Webster 1828 Edition
Superadvenient
SUPERADVE'NIENT
,Adj.
1.
Coming upon; coming to the increase or assistance of something. When a man has done bravely by the superadvenient assistance of his God--
2.
Coming unexpectedly. [This word is little used.]