verb (used with object)
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Origin of ascertain
OTHER WORDS FROM ascertain
Example sentences from the Web for ascertain
The chairman regulates the proceedings of the Board, and ascertains its resolutions.
The number of threads visible in this perforation, ascertains the number of threads in the standard measure of the reed.A Dictionary of Arts, Manufactures and Mines|Andrew Ure
He turns the trumpet of his sound-detector in the direction of the pursuing vessel, and from its dial ascertains her course.
But, then, as one ascertains increasingly with every year one lives, Life is filled with curious and often uncomfortable feelings.Missy|Dana Gatlin
In some mysterious way she ascertains what she wants, and having acquired that, draws men in thousands round her properties.North America, Volume II (of 2)|Anthony Trollope