Go to a nurse about temperature (6)
I believe the answer is:
attend
'go to' is the definition.
(synonyms)
'a nurse about temperature' is the wordplay.
'nurse' becomes 'tend' (tend can mean to nurse or look after).
'about' says to put letters next to each other.
'temperature' becomes 't' (abbreviation).
'tend' put after 't' is 'ttend'.
'a'+'ttend'='ATTEND'
(Other definitions for attend that I've seen before include "Wait upon or be present" , "visit" , "Be present at (an event)" , "Wait and listen" , "Be present at, or accompany" .)