Resistance over crackpot ideas brought up (6)
I believe the answer is:
raised
'brought up' is the definition.
(raising is a kind of bringing up)
'resistance over crackpot ideas' is the wordplay.
'resistance' becomes 'r' (abbreviation**).
'over' is a charade indicator (letters next to each other).
'crackpot' indicates anagramming the letters (I've seen this in other clues).
'ideas' with letters rearranged gives 'aised'.
'r'+'aised'='RAISED'
(Other definitions for raised that I've seen before include "Erected" , "Collected for a purpose" , "Brought up, a child say" , "Lifted up or nurtured" , "Grew" .)