| Dictionary | Name | Region | Valid |
|---|---|---|---|
| Offcl. Scrabble Pl. Dict. & Offcl. Scrabble Words | SOWPODS | International / UK / Australia | YES |
| NASPA Word List 2020 | NWL2020 | USA / Canada / Thailand | YES |
| NASPA Word List 2018 | NWL2018 | USA / Canada / Thailand | YES |
| Tournament Word List 2016 | TWL16 | USA / Canada / Thailand | YES |
| Tournament Word List 2014 | TWL14 | USA / Canada / Thailand | YES |
| Tournament Word List 2006 | TWL06 | USA / Canada / Thailand | YES |
| Tournament Word List 1998 | TWL98 | USA / Canada / Thailand | YES |
| Collins Scrabble Words 2019 | CSW19 | International / UK / Australia | YES |
| Collins Scrabble Words 2015 | CSW15 | International / UK / Australia | YES |
| Collins Scrabble Words 2012 | CSW12 | International / UK / Australia | YES |
| Collins Scrabble Words 2007 | CSW07 | International / UK / Australia | YES |
| Offcl. Scrabble Players Dictionary | OSPD4 | USA / Canada / Thailand | YES |
| Australian Primary Schools | OWL2 | Australia | YES |
| Australian Primary Schools | OWL1 | Australia | YES |
| Words With Friends 2000 | ENABLE2K | Worldwide | YES |
| Words With Friends 1997 (retired) | ENABLE1 | Worldwide | YES |
| Letterpress | Letterpress | Worldwide | YES |
| Yet Another Word List | YAWL | Worldwide | YES |
| Show more | |||
11
A1S1C3E1R1T1A1I1N1
Verb |
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| ascertain - learn or discover with certainty | ||
| ascertain - 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" | ||
| ascertain - 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" | ||
| ascertain - 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" |