late 14c., from Old French ableté "expert at handling (something)," from Latin habilitatem (nominative habilitas) "aptitude," noun of quality from habilis "easy to manage, handy" (see able). One case where a Latin silent -h- failed to make a return in English (despite efforts of 16c.-17c. scholars); see H.
1. Few would argue that this team has experience and proven ability.
2. The public never had faith in his ability to handle the job.
3. Depression lowers the human ability to cope with disease.
4. Overcrowding has taxed the city's ability to deal with waste.
5. The ability to separate out reusable elements from other waste is crucial.