1. Fit to be certified as insane (and treated accordingly)
   - certified 
2. Capable of being guaranteed or certified
   "a certifiable fact"

See also: certified, certify, insane

• properly speaking
• properness
• propertied
• property
• property line
• property man
• property master
• property owner
• property right
• property settlement
• property tax
• property-owning
• propertyless
• prophase
• prophecy
• prophesier
• prophesy
• prophet
• prophetess
• prophetic
• prophetical
• prophetically
• Prophets
• prophylactic
• prophylactic device