1. In accordance with convention or custom
   "sealed the deal with the customary handshake" 
2. Commonly used or practised; usual
   "took his customary morning walk"
   - accustomed, habitual, wonted

See also: conventional, custom, customarily, usual

Encyclopedia: Customary

• half crown
• half dollar
• half door
• half eagle
• half gainer
• half hatchet
• half hitch
• half mask
• half mile
• half nelson
• half note
• half page
• half pound
• half rest
• half sister
• half snipe
• half sole
• half step
• half title
• half track
• half volley
• half-and-half
• half-and-half dressing
• half-arsed
• half-assed