ascertain

Part of speech: adjective

ASCERTAINABLE.

Part of speech: verb

To make certain; find out; determine.

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Usage examples "ascertain":

  1. Hence it is the duty of every father of a family to question and examine his children and servants at least once a week, and to ascertain what they know of it, or are learning, and, if they do not know it, to keep them faithfully at it." - "Historical Introductions to the Symbolical Books of the Evangelical Lutheran Church", Friedrich Bente.
  2. I determined, therefore, to make another attempt to penetrate beyond the point already gained, and to ascertain the nature of the interior there; making up my mind at the same time to examine the country both to the eastward and westward of the northern ranges before I should return to the camp. - "Expedition into Central Australia", Charles Sturt.
  3. It is extremely important to ascertain what they are and how formed. - "Louis Agassiz: His Life and Correspondence", Louis Agassiz.