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or -ibility
Ability, inclination, or suitability for a specified action or condition: teachability.

[Middle English -abilitie, from Old French -abilite, from Latin -ābilitās, from -ābilis, -able.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(əˈbɪl ɪ ti)

n., pl. -ties.
1. power or capacity to do or act physically, mentally, legally, morally, or financially.
2. competence based on natural skill, training, or other qualification.
3. abilities, talents; special skills or aptitudes.
[1350–1400; Middle English (h)abilite < Middle French < Latin habilitās aptitude =habili(s) handy (see able) + -tās -ty2]
syn: ability, faculty, talent denote power or capacity to do something. ability is the general word for a natural or acquired capacity to do things; it usu. implies doing them well: a leader of great ability; ability in mathematics. faculty denotes a natural or acquired ability for a particular kind of action: a faculty for putting people at ease. talent usu. denotes an exceptional natural ability or aptitude in a particular field: a talent for music.


a combination of -able and -ity, found on nouns corresponding to adjectives in -able: capability.
[Middle English -abilite « Latin -ābilitās]
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