Flabbergasted getting a direction to join scrum (9)
I believe the answer is:
awestruck
'flabbergasted' is the definition.
(thesaurus)
'a direction to join scrum' is the wordplay.
'direction' becomes 'west' (west is a kind of direction**).
'to join' says to put letters next to each other.
'scrum' becomes 'ruck' (I've seen this before).
'a'+'west'+'ruck'='AWESTRUCK'
'getting' acts as a link.
(Other definitions for awestruck that I've seen before include "open-mouthed" , "Intimidated" , "Lost for words" , "reverential wonder" , "Showing a feeling of wonder and dread" .)