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ascertain
used in The Autobiography of Benjamin Franklin

only 1 use
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Definition
find out, learn, or determine with certainty (usually by making an effort)
  • It might, too, be much better done if I were at home among my papers, which would aid my memory, and help to ascertain dates; but my return being uncertain and having just now a little leisure, I will endeavor to recollect and write what I can; if I live to get home, it may there be corrected and improv'd.

There are no more uses of "ascertain" in The Autobiography of Benjamin Franklin.

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