Confront fiancée every so often (4)
I believe the answer is:
face
'confront' is the definition.
(I know that confront is a more specific form of face)
'fiancee every so often' is the wordplay.
'every so often' indicates alternate letters.
The alternating letters of 'fiancee' are 'FACE'.
(Other definitions for face that I've seen before include "Cope with" , "well-known person" , "Come up against" , "Outward appearance" , "cheek" .)