Summoning European and calling (9)
I believe the answer is:
evocation
'summoning' is the definition.
(I know that summoning can be written as evocation)
'european and calling' is the wordplay.
'european' becomes 'e' (abbreviation e.g. EU).
'and' means one lot of letters go next to another.
'calling' becomes 'vocation' (a vocation is a calling).
'e'+'vocation'='EVOCATION'
(Other definitions for evocation that I've seen before include "A calling forth" , "A spell" .)