Quietly carried on as expected (8)
I believe the answer is:
presumed
'expected' is the definition.
(presuming is a kind of expecting)
'quietly carried on' is the wordplay.
'quietly' becomes 'p' (musical symbol).
'carried on' becomes 'resumed' (I've seen this before).
'p'+'resumed'='PRESUMED'
'as' is the link.
(Other definitions for presumed that I've seen before include "Was impertinent" , "Taken for granted" , "thought" , "Took for granted" , "expected" .)