Show about adult becoming American (6)
I believe the answer is:
circus
'show' is the definition.
(circus is a kind of show)
'about adult becoming american' is the wordplay.
I cannot quite see how this works, but
'about' could be 'c' (abbreviation for 'circa') and 'c' is present in the answer.
'american' could be 'us' (abbreviation for United States) and 'us' is present in the answer.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for circus that I've seen before include "Travelling tent show" , "(Show in) big top" , "Open-air stadium of antiquity" , "Type of entertainment - where several streets meet" , "tented area" .)