Pronunciation: (sûr'tu-fī"u-bul, sûr"tu-fī'-), [key]
1. capable of being certified.
2. legally committable to a mental institution.
3. Sometimes Facetious.fit or ready for an insane asylum.
4. uncontrollable; insane: a certifiable desire.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.