accepted
assumptive
declarable
given
granted
putative
recognised
recognized
self-confessed
unquestionable
admitted
affirmed
allowed
approved
authenticated
avowed
being done
certified
comme il faut
conceded
confessed
confirmed
conformable
conventional
correct
countersigned
customary
de rigueur
decent
decorous
endorsed
established
fixed
folk
formal
hallowed
handed down
heroic
hoary
immemorial
inveterate
legendary
long-established
long-standing
meet
mythological
notarized
of long standing
of the folk
oral
orthodox
prescriptive
professed
proper
ratified
received