absolute
binding
compulsory
conclusive
decisive
decretory
dictated
final
hard-and-fast
imperative
imposed
irrevocable
mandated
mandatory
must
obligatory
peremptory
prescript
prescriptive
required
ultimate
without appeal
assailed
availed
bailed
curtailed
derailed
detailed
emailed
exhaled
failed
hailed
impaled
inhaled
jailed
mailed
nailed
paled
prevailed
railed
regaled
sailed
scaled
tailed
trailed
unveiled
veiled
wailed