'certifiable' definitions:

Definition of 'certifiable'

From: WordNet
adjective
Fit to be certified as insane (and treated accordingly) [syn: certifiable, certified]
adjective
Capable of being guaranteed or certified; "a certifiable fact"

Definition of 'certifiable'

From: GCIDE
  • certifiable \certifiable\ adj.
  • 1. presenting symptoms of mental illness sufficient for legal commitment to a mental institution.
  • Syn: certified. [WordNet 1.5]
  • 2. capable of being guaranteed or certified: a certifiable fact. [WordNet 1.5]