customary

/ˈkʌstəˌmɛri/
adjective
  1. According to usual or traditional practice; normal or expected in a particular situation.
    • She wore her customary red scarf to the festival.
    • The customary greeting is a bow, not a handshake.
    • It is customary to tip the waiter in this country.
Antonyms
What does "customary" mean? | whatsthatwordmean | whatsthatwordmean