ordinance (n.)

• act
• appointment
• bill
• brevet
• bull
• bylaw
• canon
• ceremonial
• ceremony
• code
• commandment
• convention
• declaration
• decree
• dictate
• dictation
• dictum
• duty
• edict
• enactment
• fiat
• form
• formality
• formula
• formulary
• function
• guideline
• imperative
• institution
• jus
• law
• legislation
• lex
• liturgy
• maxim
• measure
• mitzvah
• moral
• mystery
• norm
• observance
• office
• practice
• precept
• prescript
• prescription
• principle
• proclamation
• pronouncement
• pronunciamento
• regulation
• rescript
• rite
• ritual
• rituality
• rubric
• rule
• ruling
• sacrament
• service
• solemnity
• standard
• statute
• tenet
• ukase