1. Acceptable for a long time
   "time-honored customs"
   - time-honoured [Brit, Cdn] 
2. Honored because of age or long usage
   "time-honored institutions"
   - time-honoured [Brit, Cdn]

See also: honorable [US], honourable [Brit, Cdn], reputable

• right to confront accusors
• right to due process
• right to liberty
• right to life
• right to privacy
• right to speedy and public trial by jury
• right to the pursuit of happiness
• right to vote
• right triangle
• right ventricle
• right whale
• right-angled
• right-angled triangle
• right-down
• right-eyed
• right-hand man
• right-handed
• right-handed pitcher
• right-handedness
• right-minded
• right-side-out
• right-side-up
• right-thinking
• right-to-die
• right-to-lifer