Make a selection of sweets for the audience (6)
I believe the answer is:
choose
'make a selection' is the definition.
(synonyms)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for choose that I've seen before include "Think fit" , "Make a selection" , "So echo (anag) - wish" , "Select, opt for" , "Vote" .)