Daughters in education took courses (5)
I believe the answer is:
dined
'took courses' is the definition.
(I've seen this in another clue)
'daughters in education' is the wordplay.
'daughters' becomes 'd' (genealogical abbreviation for daughters).
'education' becomes 'ed' (abbreviation - e.g. sex ed).
'd'+'in'+'ed'='DINED'
(Other definitions for dined that I've seen before include "Had supper" , "Ate a meal" .)