Pertaining to giving directives or rules:
— Prescriptive grammar is concerned with norms of or rules for correct usage.

synonym: normative.

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    antiquated, of other times, rococo, of the old school, after-age, obsolete; out of date, out of fashion, out of it; stale, old-fashioned, behind the age; old-world; exploded; gone out, gone by; passe, run out; senile etc. 128; time worn; crumbling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 141: stable etc. 150; persisting etc. v.; permanent; established; unchanged etc. (change) etc. 140; renewed; intact, inviolate; persistent; monotonous, uncheckered^†; unfailing.    undestroyed, unrepealed, unsuppressed^†; conservative, qualis ab incepto [Lat.]; prescriptive etc. (old) 124; stationary etc. 265.    ... show more

Roget 613: habitual; accustomary^†; prescriptive, accustomed etc. v.; of daily occurrence, of everyday occurrence; consuetudinary^†; wonted, usual, general, ordinary, common, frequent, everyday, household, garden variety, jog, trot; well-trodden, well-known; familiar, vernacular, trite, commonplace, conventional, regular, set, stock, established, stereotyped; prevailing, prevalent; current, received, acknowledged, recognized, accredited; of course, admitted, understood.    conformable.    etc. 82; according to use, according to custom, according to routine; in vogue, in fashion, in, with it; fashionable etc. (genteel) 852.    wont; used to, given to, addicted to, attuned to, habituated etc. v.; in the habit of; habitue; at home in etc. (skillful) 698; seasoned; imbued with; devoted to, wedded to.    hackneyed, fixed, rooted, deep-rooted, ingrafted^†, permanent, inveterate, besetting; naturalized; ingrained etc. (intrinsic) 5.    ... show more

Roget 924: having a right to etc. v.; entitled to; claiming; deserving, meriting, worthy of.    privileged, allowed, sanctioned, warranted, authorized; ordained, prescribed, constitutional, chartered, enfranchised.    prescriptive, presumptive; absolute, indefeasible; unalienable, inalienable; imprescriptible^†, inviolable, unimpeachable, unchallenged; sacrosanct.    due to, merited, deserved, condign, richly deserved.    allowable etc. (permitted) 760; lawful, licit, legitimate, legal; legalized etc. (law) 963.    square, unexceptionable, right; equitable etc. 922; due, en r gle; fit, fitting; correct, proper, meet, befitting, becoming, seemly; decorous; creditable, up to the mark, right as a trivet; just the thing, quite the thing; selon les r gles [Fr.].    ... show more

Dutch: normatief