Definitions for ascertain
ˌæs ərˈteɪnas·cer·tain

Princeton's WordNetRate this definition:5.0 / 1 vote

1. determine, find, find out, ascertainverb

   establish after a calculation, investigation, experiment, survey, or study

   "find the product of two numbers"; "The physicist who found the elusive particle won the Nobel Prize"

2. see, check, insure, see to it, ensure, control, ascertain, assureverb

   be careful or certain to do something; make certain of something

   "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product"

3. determine, check, find out, see, ascertain, watch, learnverb

   find out, learn, or determine with certainty, usually by making an inquiry or other effort

   "I want to see whether she speaks French"; "See whether it works"; "find out if he speaks Russian"; "Check whether the train leaves on time"

4. ascertainverb

   learn or discover with certainty

WiktionaryRate this definition:2.0 / 1 vote

1. ascertainverb

   To find out definitely; to discover or establish.

   As soon as we ascertain what the situation is, we can plan how to proceed.

2. Etymology: From acertener, from (a- + certener, from the adjective certain.

Samuel Johnson's DictionaryRate this definition:0.0 / 0 votes

1. To ASCERTAINverb

   Etymology: acertener, Fr.

   1. To make certain; to fix; to establish.

   The divine law both ascertaineth the truth, and supplieth unto us the want of other laws. Richard Hooker, b. i.

   Money differs from uncoined silver in this, that the quantity of silver in each piece is ascertained by the stamp. John Locke.

   2. To make confident; to take away doubt; often with of.

   If it be on right judgment of myself, it may give me the other certainty, that is, ascertain me that I am in the number of God’s children. Henry Hammond, Practical Catechism.

   This makes us act with a repose of mind and wonderful tranquillity, because it ascertains us of the goodness of our work. John Dryden, Dufresnoy.

ChatGPTRate this definition:0.0 / 0 votes

1. ascertain

   To ascertain is to find out or learn with certainty, often through investigation or experimentation. It refers to the process of gaining or discovering definitive knowledge about something.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Ascertainverb

   to render (a person) certain; to cause to feel certain; to make confident; to assure; to apprise

2. Ascertainverb

   to make (a thing) certain to the mind; to free from obscurity, doubt, or change; to make sure of; to fix; to determine

3. Ascertainverb

   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

4. Etymology: [OF. acertener; a (L. ad) + certain. See Certain.]

Chambers 20th Century DictionaryRate this definition:0.0 / 0 votes

1. Ascertain

   as-sėr-tān′, v.t. to determine: to obtain certain knowledge of: (rare) to insure, certify, make certain.—adj. Ascertain′able.—n. Ascertain′ment. [O. Fr. acertener. See Certain.]

Matched Categories

1. • Learn
   • Verify

Usage in printed sourcesFrom: 

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Anagrams for ascertain »

1. Cartesian

2. cartesian

3. craniates

4. intracase

5. sectarian

6. cartisane

How to pronounce ascertain?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say ascertain in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of ascertain in Chaldean Numerology is: 7

2. Pythagorean Numerology

   The numerical value of ascertain in Pythagorean Numerology is: 9

Examples of ascertain in a Sentence

1. Adam Fagan:

   There are no prosecutions, they're not investigated particularly well and there are issues around the definition of what constitutes a hate crime, the implementation of any law in Bosnia is completely stymied by the political system. It's very difficult to ascertain whether the Bosnians are against LGBT [rights] or if they can’t do anything at all really.

2. Japanese Finance Minister Taro Aso:

   Rather than being swayed just by superficial market moves, I believe it's important to ascertain China's structural issues behind them, i think it's beneficial to hold a frank debate at G20 on what is happening in Chinese economy.

3. Mehmet Dalman:

   We were not involved in booking the plane. In fact, we are trying to ascertain ourselves exactly what did happen, the club is looking into the matter and we want to find answers too.

4. The BEA spokesman:

   At this point in time, the BEA is studying the information on the airplane part found in La Reunion, in coordination with our Malaysian and Australian colleagues, and with the judicial authorities, the part has not yet been identified and it is not possible at this hour to ascertain whether the part is from a B777 and/or from MH370.

5. Murphy Police:

   It is not known if the two incidents are related or if there is any reason to believe so, investigators are continuing to speak with relatives of the two victims to ascertain any relationship between the two deaths.

Popularity rank by frequency of use

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=ascertain
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Ascertain
3. ^ Samuel Johnson's Dictionary
   https://johnsonsdictionaryonline.com/views/search.php?term=ascertain
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/ascertain
6. ^ Chambers 20th Century Dictionary
   https://www.gutenberg.org/files/37683/37683-h/37683-h.htm#:~:text=ascertain
7. ^ Usage in printed sources
   https://books.google.com/ngrams/graph?content=ascertain