2 uses
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Definition
find out, learn, or determine with certainty (usually by making an effort)
- He felt he owed it to himself to stay in the area long enough to make at least one more visit to Little Miss Highpockets ... when it could be ascertained that Handsome Hubby was definitely not around, of course.
- He ascertained that there was no car in the driveway or in the garage.
There are no more uses of "ascertain" in Cujo.
Typical Usage
(best examples)