A doctor wearing it for a dance (5)
I believe the answer is:
samba
'dance' is the definition.
(I've seen this before)
'a doctor wearing it for a' is the wordplay.
'a doctor' becomes 'mb' (Bachelor of Medicine, Medicinae Baccalaureus**).
'wearing' is an insertion indicator.
'it' becomes 'sa' (old-fashioned abbreviation for sex appeal).
'for' means one lot of letters go next to another.
'sa'+'a'='saa'
'mb' placed within 'saa' is 'SAMBA'.
(Other definitions for samba that I've seen before include "moves from Brazil" , "it was launched in Brazil" , "Latin dance" , "Dance music" , "Brazilian dance" .)