WordWeb Online

1. The quality of being able to perform; a quality that permits or facilitates achievement or accomplishment
    
2. Possession of the qualities (especially mental qualities) required to do something or get something done
   "danger heightened his abilities of discrimination";
   - power

Derived forms: abilities

See also: able, unable

Type of: cognition, knowledge, noesis, quality

Antonym: inability

Encyclopedia: Ability