Synonyms of decretion

1 Syllable

test, law, truism

2 Syllables

model, command, gnome, ruling, guide, moral, decree, brocard, basis, maxim, tenet, precept, edict, canon, order, axiom, dictum

3 Syllables

propriety, assize, regimen, precedent, apothegm, commandment, statute, criterion, no-no's, keystone, prescription, decorum, keynote, formula, aphorism, direction

4 Syllables

ordinance, etiquette, fundamental, regulation, guideline