CERTIFIABLE
certifiable
(adjective) capable of being guaranteed or certified; “a certifiable fact”
certifiable, certified
(adjective) fit to be certified as insane (and treated accordingly)
Source: WordNet® 3.1
Etymology
Adjective
certifiable (comparative more certifiable, superlative most certifiable)
(of a document) That can, or that must be certified.
(informal, of a person) Mentally ill to such an extent that involuntary institutionalization is appropriate; crazy.
Synonyms
• (mentally ill): insane, mad, nuts
Noun
certifiable (plural certifiables)
(informal) A crazy person.
Anagrams
• rectifiable
Source: Wiktionary