Pronunciation: (u-bil'i-tē),[key] —n., —pl.-ties. 1. power or capacity to do or act physically, mentally, legally, morally, financially, etc.
2. competence in an activity or occupation because of one's skill, training, or other qualification: the ability to sing well. 3. abilities,talents; special skills or aptitudes: Composing music is beyond his abilities.
a combination of -able and -ity, found on nouns corresponding to adjectives in -able:capability.