Frequent (6)
'frequent' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for haunt that I've seen before include "Frequent (a place)" , "Visit as a ghost" , "retreat" , "Visit in spectral form" , "Frequent - resort" .)
'frequent' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for attend that I've seen before include "Be present at, turn up" , "Frequent" , "Wait upon or be present" , "Be present or appear at" , "Escort (someone)" .)