from The Century Dictionary.
- In an admonitory manner; with warning or reproof.
Sorry, no etymologies found.
Todd's hand twitched in his and Ken suppressed the inclination to squeeze it admonitorily.
But the gods would not suffer (Pothinus coughs admonitorily) -- the gods -- the gods would not suffer --
"You ought to think yourself jolly lucky," he said, wagging his head admonitorily at his aunt.
The Major then added, repeating the air-sawing action of his forefinger admonitorily, "But mind you, _I_ say nothin '.