1 (often foll. by to + infin.; used esp. in is able, will be able, was able, etc., replacing tenses of can) having the capacity or power (was not able to come).
2 having great ability; clever, skilful.
Phrases and idioms:
able-bodied fit, healthy. able-bodied rating (or seaman) Naut. one able to perform all duties.
Etymology: ME f. OF hable, able f. L habilis handy f. habere to hold
Useful english dictionary. 2012.