Inculcate (6)
I believe the answer is:
instil
'inculcate' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for instil that I've seen before include "Inculcate" , "Introduce gradually into person's mind" , "Gradually establish something in a person's mind" , "Introduce into mind, being in list" , "Implant (in the mind)" .)