Definition of ascertained:
- ascertained (part of speech: verb)
- proved (part of speech: verb)
However as in a certain sense all is doubtful which is yet to be done, perhaps strict prudence would demand that Sir Arthur should not be led to hope till success is ascertained; of which I will not delay a moment to send you information.- "Anna St. Ives", Thomas Holcroft.
- "Princess Maritza", Percy Brebner.
- "The Cow Puncher", Robert J. C. Stead.