from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix Susceptible, capable, or worthy of a specified action: debatable.
- suffix Inclined or given to a specified state or action: changeable.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix An adjectival suffix; forms adjectives meaning:
from the GNU version of the Collaborative International Dictionary of English
- An adjective suffix now usually in a passive sense; able to be; fit to be; expressing capacity or worthiness in a passive sense
Middle English, from Old French, from Latin -ābilis, -ibilis : -ā- and -i-, thematic vowels + -bilis, adj. suff.(American Heritage® Dictionary of the English Language, Fourth Edition)