Hood to intimidate moll, ultimately (4)
I believe the answer is:
cowl
'hood' is the definition.
(synonyms)
'intimidate moll ultimately' is the wordplay.
'intimidate' becomes 'cow' (I've seen this before).
'ultimately' says to take the final letters.
The last letter of 'moll' is 'l'.
'cow'+'l'='COWL'
'to' is the link.
(Other definitions for cowl that I've seen before include "Monk's hood or chimney covering" , "form of protection?" , "Monk's hood - chimney cover" , "Dried fruit" , "Hood-shaped covering" .)