Aptitude (5)
'aptitude' is the definition.
(I know that talent is a type of natural ability)
This is all the clue.
(Other definitions for talent that I've seen before include "Natural ability for some activity" , "At Lent (anag.)" , "Attractive young girls" , "Unit of currency" , "Skill, natural ability" .)
'aptitude' is the definition.
(flair is a kind of aptitude)
This is the entire clue.
(Other definitions for flair that I've seen before include "Intuitive discernment" , "Natural talent and aptitude" , "Stylish talent" , "Natural ability/talent" , "Natural ability to do something well (5)" .)
'aptitude' is the definition.
(I know that knack is a type of endowment)
This is all the clue.
(Other definitions for knack that I've seen before include "Ability, facility" , "Instinctive skill" , "Technique" , "Particular talent" , "Technical ability" .)
'aptitude' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for ability that I've seen before include "Skill, talent" , "Proficiency" , "Aptitude - expertise" , "Quality of being capable of doing something" , "Strength" .)
'aptitude' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for faculty that I've seen before include "Part of university" , "Aptitude, talent" , "part of academic institution" , "Memory possibly" , "Group of academic departments" .)