Synonyms:
- abiding,
- accustomed,
- acknowledged,
- addicted,
- admitted,
- age-long,
- aged,
- ancient,
- antique,
- chronic,
- confirmed,
- constant,
- continuing,
- conventional,
- customary,
- deep-dyed,
- deep-engraven,
- deep-fixed,
- deep-grounded,
- deep-laid,
- deep-rooted,
- deep-seated,
- deep-set,
- deep-settled,
- diuturnal,
- durable,
- dyed-in-the-wool,
- embedded,
- embossed,
- enduring,
- engrafted,
- engraved,
- entrenched,
- established,
- etched,
- evergreen,
- fast,
- firmly established,
- fixed,
- folk,
- graven,
- habitual,
- habituated,
- hallowed,
- handed down,
- hardened,
- hardy,
- heroic,
- hoary,
- immemorial,
- immutable,
- implanted,
- impressed,
- imprinted,
- inbred,
- incorrigible,
- inculcated,
- indelibly impressed,
- indurated,
- infixed,
- ingrained,
- ingrown,
- innate,
- instilled,
- intransient,
- inwrought,
- irreversible,
- lasting,
- legendary,
- lifelong,
- long-established,
- long-lasting,
- long-lived,
- long-standing,
- long-term,
- longeval,
- longevous,
- macrobiotic,
- mythological,
- of long duration,
- of long standing,
- of the folk,
- old,
- old-line,
- on a rock,
- on bedrock,
- oral,
- perdurable,
- perduring,
- perennial,
- permanent,
- perpetual,
- persistent,
- persisting,
- prescriptive,
- received,
- recognized,
- remaining,
- rooted,
- sempervirent,
- set,
- settled,
- settled in habit,
- stabilized,
- stable,
- staying,
- steadfast,
- sworn,
- thorough,
- time-honored,
- tough,
- traditional,
- tried and true,
- true-blue,
- understood,
- unfading,
- unwritten,
- usual,
- venerable,
- vested,
- vital,
- well-established,
- well-founded,
- well-grounded,
- well-set,
- well-settled,
- worshipful