Taken for granted (8)
(Other definitions for admitted that I've seen before include "Allowed in or accepted as true" , "Owned up or let in" , "Acknowledged to be true" , "Confessed; let in" , "being given access" .)
'taken for granted' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for presumed that I've seen before include "Supposed" , "thought" , "Took for granted" , "expected" , "Taken for granted" .)
'taken for granted' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for assumed that I've seen before include "Took upon oneself" , "Put it on - without being told?" , "Taken as true; adopted" , "Took for granted" , "Taken for granted - feigned" .)
(Another definition for put-upon that I've seen is " Taken advantage of".)