pert. to authority; authoritative
- 1688 obs. rare
from Greek ἐξουσιαστικός (exousiastikos) (authoritative), from ἐξουσιάζειν (to exercise authority,) from ἐξουσία (authority)
FIRST DOCUMENTED USE
1688 - see EXAMPLE below
"...Finally, the Exousiastick power of trying, sending, & Authorizing office-bearers in the Church, is made useless & void by this Toleration...."
From: The Testimony of Some persecuted Presbyterian Ministers of the Gospel, unto the Covenanted Reformation of the Church of Scotland
- James Renwick