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

• smash-and-grab
• smash-up
• smashed
• smasher
• smashing
• smashingly
• smatter
• smattering
• SME
• smear
• smear campaign
• smear test
• smear word
• smeary
• smectite
• smegma
• smell
• smell a rat
• smell out
• smell up
• smeller
• smelling
• smelling bottle
• smelling salts
• smelly