ADJ

exceptional, extraordinary, great, outstanding, remarkable, uncanny
inherent, innate, natural
discovering the natural abilities of each child
proven
academic, acting, artistic, athletic, creative, intellectual, linguistic, mathematical, musical, reading, technical
mental, physical

VERB + ABILITY

have
demonstrate, show
Both players demonstrated their ability to hit the ball hard
acquire, develop
lack
lose
I seem to have lost my ability to attract clients
appreciate, recognize
Fox's abilities were soon recognized

PHRASES

to the best of your ability
We will keep you informed to the best of our ability

ADJ

high
The school does nothing for children of high ability
limited, low
average, mixed
It is much more difficult to teach a mixed-ability class

VERB + ABILITY

assess, test

PHRASES

a level of ability
There was a high level of ability among the school leavers
a range of ability/abilities
I taught a wide range of abilities