Contemporary, up-to-date (6)
I believe the answer is:
modern
This clue is a double definition.
'contemporary' is the first definition.
(similar in meaning)
'up-to-date' is the second definition.
(synonyms)
(Other definitions for modern that I've seen before include "Belonging to the present time" , "Recent, up to date" , "See 11" , "Present-day" , "'Contemporary, up-to-the-minute (6)'" .)