Ability to stick to point, perhaps (8)
I believe the answer is:
gumption
'ability' is the definition.
(gumption is a kind of ability)
'stick to point perhaps' is the wordplay.
'stick' becomes 'gum' (I've seen this before).
'to' means one lot of letters go next to another.
'perhaps' is an anagram indicator.
'point' is an anagram of 'ption'.
'gum'+'ption'='GUMPTION'
'to' acts as a link.
(Other definitions for gumption that I've seen before include "Informal common sense or initiative" , "Fortitude and determination" , "Informal drive and initiative" , "Shrewdness, common-sense" , "Sense; courage" .)