| Clue | Source | Date |
|---|---|---|
| Capable of being understood | The New Yorker | 13 Jan 2020 |
| Clearly explained | Newsday | 28 Apr 2019 |
| Bust of a meth lab is understandable | ||
| Stout sailor left in old folks' institution -- that can be understood | The Telegraph Toughie | 11 Dec 2018 |
| Doubter not going all the way in story is understandable | The Times Cryptic | 23 Mar 2017 |
| Not beyond comprehension |