prescriptive (adj.)

• absolute
• accepted
• accustomed
• acknowledged
• authoritarian
• authoritative
• autocratic
• average
• binding
• canonical
• commanding
• common
• commonplace
• compelling
• compulsory
• conclusive
• conformable
• constrictive
• conventional
• current
• customary
• decisive
• dictated
• dictatorial
• didactic
• directive
• dogmatic
• established
• ethnocentric
• everyday
• exceptional
• exclusive
• familiar
• final
• fixed
• formulary
• habitual
• hallowed
• hard-and-fast
• heroic
• hoary
• immemorial
• imperative
• imperious
• imposed
• inadmissible
• instructive
• insular
• inveterate
• irrevocable
• legendary
• long-standing
• mandatory
• must
• mythological
• narrow
• normal
• normative
• obligatory
• official
• oral
• ordinary
• overbearing
• parochial
• peremptory
• popular
• preclusive
• prescribed
• prevailing
• prevalent
• preventive
• prohibitive
• received
• recognized
• regular
• regulation
• required
• restrictive
• rooted
• select
• selective
• separative
• set
• snobbish
• standard
• statutory
• stock
• time-honored
• traditional
• true-blue
• ultimate
• understood
• universal
• unwritten
• usual
• venerable
• vernacular
• widespread
• wonted
• worshipful
• xenophobic