customary

/ˈkə-stə-ˌmer-ē/

adjective

  1. commonly practiced, used, or observed

  2. based on or established by custom

customary acts of courtesy

usual customary habitual wonted accustomed mean familiar through frequent or regular repetition. usual stresses the absence of strangeness or unexpectedness. customary applies to what accords with the practices, conventions, or usages of an individual or community.