| Answer | Crossword Clue |
|---|---|
| convention | an established usage |
| conventions | CONVENTION, an established usage |
| prescriptive | Established by long-standing custom or usage |
| knaveship | a small due, in meal, established by usage, which is paid to the under miller |
| knaveships | KNAVESHIP, a small due, in meal, established by usage, which is paid to the under miller |
| prescriptive | (of a right, title, or institution) Having become legally established or accepted by long usage or the passage of time |
