able adj.
1 able to do sth having the ability to do sth
VERBS be, feel, prove, seem
ADV. perfectly, quite, well He is well able to take care of himself. | better, more Once you've had some sleep you'll feel better able to cope. | just I was just able to make out a dark figure in the distance. | barely, hardly, only just, scarcely | less
2 clever; doing your job well
VERBS be, seem She seems very able.
ADV. extremely, very | fairly, reasonably
You can also check other dicts: able (English, 中文解释 ), wordnet sense, Collins Definition