1. Relying on observation or experiment
   - experimental, data-based

See also: empiric, empirical

• otherness
• others
• otherwise
• otherworld
• otherworldliness
• otherworldly
• Othman I
• Otho
• Otho I
• Otho of Lagery
• othonna
• otic
• otic ganglion
• Otides
• Otididae
• otiose
• otiosity
• Otis
• Otis Skinner
• Otis tarda
• otitis
• otitis externa
• otitis interna
• otitis media
• Oto