Expert taped broadcast (5)
I believe the answer is:
adept
'expert' is the definition.
(synonyms)
'taped broadcast' is the wordplay.
'broadcast' indicates anagramming the letters.
'taped' is an anagram of 'ADEPT'.
(Other definitions for adept that I've seen before include "Dexterous" , "One highly skilled could be taped" , "Skilled, expert" , "Having the skill required" , "Skilful, expert" .)