Show great tenderness for teacher? I shall to some extent (7)
I believe the answer is:
cherish
'show great tenderness for' is the definition.
(to cherish is to be extremely fond of)
'teacher? i shall to some extent' is the wordplay.
'to some extent' indicates the answer is hidden within the clue.
'CHERISH' is hidden in the letters of 'teacher i shall'.
(Other definitions for cherish that I've seen before include "Nurture (a hope)" , "Protect and care for lovingly" , "Foster" , "Hold dear, treasure" , "Protect and treat with affection" .)