| Answer | Crossword Clue |
|---|---|
| retroactiveness | RETROACTIVE, taking effect as from a previous date |
| retroactively | RETROACTIVE, taking effect as from a previous date |
| retroactive | taking effect as from a previous date |
| retroactive | (esp. of legislation) Taking effect from a date in the past |
| retrospective | (of a statute or legal decision) Taking effect from a date in the past |
