1. That can be given a date
   "a concrete and datable happening"
   - dateable

Antonym: undatable

• orison
• Orissa
• Orites
• Orites excelsa
• Oriya
• Orizaba
• Orkney
• Orkney Islands
• Orlando
• Orlando di Lasso
• orle
• Orleanais
• Orleanism
• Orleanist
• Orleans
• Orlon
• orlop
• orlop deck
• Orly
• Orly Group
• Ormandy
• Ormazd
• ormer
• ormolu
• Ormosia