from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. able to be spoken of; able to be expressed
from the GNU version of the Collaborative International Dictionary of English
- adj. Capable of being uttered or explained; utterable.
from The Century Dictionary and Cyclopedia
- Utterable; capable of being explained; explicable.
From Latin effor ("I utter") + -able (Wiktionary)