| Answer | Crossword Clue |
|---|---|
| inveterate | firmly established by long persistence |
| inveterately | INVETERATE, firmly established by long persistence |
| firm | to become stable (firmly established) / resolute (characterized by firmness or determination) |
| prescriptive | Established by long-standing custom or usage |
| prescriptive | (of a right, title, or institution) Having become legally established or accepted by long usage or the passage of time |
