- well-established
- adj1. fixed, set, rooted, grounded, ingrained, entrenched, inveterate; long-established, established, longstanding, of long standing, traditional; venerable, time-honored, hallowed, immemorial.2. stable, steady, sound, sturdy; dependable, reliable, trustworthy.3. chronic, habitual, confirmed, inured, hardened, hard-core, die-hard; unchangeable, immovable, incorrigible, irrevocable, irreversible
A Note on the Style of the synonym finder. 2014.