Definition Definition

Ascertain - Meaning and Examples

Meaning of 'Ascertain' (Webster Dictionary)

1 . Ascertain [ v. t.]
- To render (a person) certain; to cause to feel certain; to make confident; to assure; to apprise.
- To make (a thing) certain to the mind; to free from obscurity, doubt, or change; to make sure of; to fix; to determine.
- To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal.

Meaning of 'Ascertain' (Princeton's WordNet)

1 . ascertain [ v]
Meaning (1):
- find out, learn, or determine with certainty, usually by making an inquiry or other effort
Example in sentence:
  • Check whether the train leaves on time;
  • find out if he speaks Russian;
  • I want to see whether she speaks French;
  • See whether it works
Meaning (2):
- be careful or certain to do something; make certain of something
Example in sentence:
  • control the quality of the product;
  • He verified that the valves were closed;
  • See that the curtains are closed
Meaning (3):
- establish after a calculation, investigation, experiment, survey, or study
Example in sentence:
  • find the product of two numbers;
  • The physicist who found the elusive particle won the Nobel Prize