| Clue | Length | Answer |
|---|---|---|
| effectual | 4 letters | true |
| effectual | 4 letters | real |
| effectual | 5 letters | valid |
| effectual | 5 letters | quick |
| effectual | 5 letters | up-to |
| effectual | 6 letters | strong |
| effectual | 6 letters | proved |
| effectual | 7 letters | winning |
| effectual | 7 letters | weighty |
| effectual | 7 letters | suasive |
| effectual | 7 letters | telling |
| effectual | 8 letters | truthful |
| effectual | 8 letters | powerful |
| effectual | 8 letters | undenied |
| effectual | 8 letters | verified |
| effectual | 8 letters | workable |
| effectual | 8 letters | virtuous |
| effectual | 9 letters | reputable |
| effectual | 9 letters | veracious |
| effectual | 9 letters | veritable |
| effectual | 9 letters | unrefuted |
| effectual | 9 letters | validated |
| effectual | 9 letters | undoubted |
| effectual | 10 letters | realizable |
| effectual | 10 letters | proficient |
| effectual | 10 letters | prevailing |
| effectual | 10 letters | unconfuted |
| effectual | 10 letters | productive |
| effectual | 10 letters | unmistaken |
| effectual | 11 letters | substantial |
| effectual | 11 letters | sure-enough |
| effectual | 11 letters | prestigious |
| effectual | 13 letters | substantiated |
| effectual | 14 letters | unquestionable |
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