In accordance with convention or custom.

Roget 124: old, ancient, antique; of long standing, time-honored, venerable; elder, eldest; firstborn.    prime; primitive, primeval, primigenous^†; paleolontological, paleontologic, paleoanthropological, paleoanthropic^†, paleolithic, primordial, primordinate^†; aboriginal etc. (beginning) 66; diluvian^†, antediluvian; protohistoric^†; prehistoric; antebellum, colonial, precolumbian; patriarchal, preadamite^†; paleocrystic^†; fossil, paleozoolical, paleozoic, preglacial^†, antemundane^†; archaic, classic, medieval, Pre-Raphaelite, ancestral, black-letter.    immemorial, traditional, prescriptive, customary, whereof the memory of man runneth not to the whereof the memory of man runneth not to the contrary; inveterate, rooted.    antiquated, of other times, rococo, of the old school, after-age, obsolete; out of date, out of fashion, out of it; stale, old-fashioned, behind the age; old-world; exploded; gone out, gone by; passe, run out; senile etc. 128; time worn; crumbling etc. (deteriorated) 659; secondhand.    old as the hills, old as Methuselah, old as Adam^†, old as history.    [geological eras (list, starting at given number of years bp)] Archeozoic [5,000,000,000], Proterozoic [1,500,000,000], Paleozoic [600,000,000], Mesozoic [220,000,000], Cenozoic [70,000,000]. [geological periods] Precambrian, Cambrian [600,000,000], Ordovician [500,000,000], Silurian [440,000,000], Devonian [400,000,000], Mississippian [350,000,000], Pennsylvanian [300,000,000], Permian [270,000,000], Triassic [220,000,000], Jurassic [180,000,000], Cretaceous [135,000,000], Tertiary [70,000,000], Paleogene [70,000,000], Neocene [25,0000,000], Quaternary [1,000,000]. [geological epochs (list, starting at 70,000,000 years bp)] Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, Recent.    ... show more

Roget 136: frequent, many times, not rare, thickcoming^†, incessant, perpetual, continual, steady, constant, thick; uniform; repeated etc. 104; customary etc. 613 (habit) 613; regular (normal) 80; according to rule etc. (conformable) 82.    common, everyday, usual, ordinary, familiar.    old-hat, boring, well-known, trivial.    ... show more

Roget 78: general, generic, collective; broad, comprehensive, sweeping; encyclopedical^†, widespread etc. (dispersed) 73.    universal; catholic, catholical^†; common, worldwide; ecumenical, oecumenical^†; transcendental; prevalent, prevailing, rife, epidemic, besetting; all over, covered with.    Pan-American, Anglican^†, Pan-Hellenic, Pan-Germanic, slavic; panharmonic^†.    every, all; unspecified, impersonal.    customary etc. (habitual) 613.    ... show more

Commonly used or practiced; usual:
— Took his customary morning walk.

synonyms: accustomed, habitual, wonted.

Polish: tradycjonalny, przyjęty, zwyczajowy, tradycyjny