ascertain


as·cer·tain

verb \ˌa-sər-ˈtān\

: to learn or find out (something, such as information or the truth)

Full Definition of ASCERTAIN

transitive verb
1
archaic :  to make certain, exact, or precise
2
:  to find out or learn with certainty
as·cer·tain·able \-ˈtā-nə-bəl\ adjective
as·cer·tain·ment \-ˈtān-mənt\ noun

Examples of ASCERTAIN

  1. The information can be ascertained by anyone with a computer.
  2. <was immediately able to ascertain that the girl was uncomfortable talking about her life at home>
  3. We look at digital media—images, audio and video—and we try to ascertain whether or not they've been manipulated. We use mathematical and computational techniques to detect alterations in them. —Claudia Dreifus, New York Times, 2 Oct. 2007

Origin of ASCERTAIN

Middle English acertainen to inform, give assurance to, from Anglo-French acerteiner, from a- (from Latin ad-) + certein, certain certain
First Known Use: 15th century

Browse

Next Word in the Dictionary: ascesis
Previous Word in the Dictionary: ascent
All Words Near: ascertain

Seen & Heard

What made you want to look up ascertain? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More