conventional
usual
Christian
accepted
accustomed
acknowledged
admitted
approved
authentic
authoritative
average
being done
canonical
chronic
comme il faut
common
commonplace
conformable
consuetudinary
correct
current
de rigueur
decent
decorous
established
evangelical
everyday
faithful
familiar
firm
fixed
folk
formal
frequent
general
generally accepted
habitual
hallowed
handed down
heroic
hoary
household
immemorial
inveterate
legendary
literal
consuetude
costumal
costume
custom
customer
customization
customize
casual
polite
traditional
utmost
obsolete
occasional
odd
unaccustomed
unconventional