Ascertain

verb
,æsər'teɪn

Verb

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

    Type of:Verify
  • find out, learn, or determine with certainty, usually by making an inquiry or other effort

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

  • learn or discover with certainty

    Type of:HearLearnDiscover

Dictionary Validity

Tournament Word List (TWL)
Scrabble US
Collins Scrabble Words (CSW21)
Scrabble UK
ENABLE Dictionary
Words With Friends
Combined US/UK Scrabble Dictionary
SOWPODS
North American Scrabble (NWL2020)
NASPA