| Rating | Solver | Clue |
|---|---|---|
| DEEPROOTED | Firmly established | |
| STABLE | Firmly fixed or established | |
| ROOT | To be firmly fixed; to be established. | |
| STEADFAST | Firmly fixed or established; fast fixed; firm. | |
| GROUNDEDLY | In a grounded or firmly established manner. | |
| HABITUATE | Firmly established by custom; formed by habit; habitual. | |
| FAST | In a fast, fixed, or firmly established manner; fixedly; firmly; immovably. | |
| STABLENESS | The quality or state of being stable, or firmly established; stability. | |
| INVETERATE | Firmly established by long continuance; obstinate; deep-rooted; of long standing; as, an inveterate disease; an inveterate abuse. | |