We have ascertained through sometimes bitter experience that not all people or things can be taken.

The time when the village actually arose, however, cannot be ascertained through documents.

School officials said they had wanted to to ascertain all the facts through neutral investigators.

It is easy to ascertain through the Turkish media that people are still being tortured in some police stations.

The overall winner is ascertained through the cumulation of points scored across the season.

The identities of some of these figures may be ascertained through their attributes.

We want the Presidential candidates and the American voters to ascertain through such debate what are the true enemies of mankind.

The Babalawo claim to ascertain the future through communication with Orunmila.

Individual risk can be ascertained through risk screening.

Apparently, my attempts to ascertain its baseline for so-called stable probability through demonstrations of chance served only to confuse it.