All you need for the reception? (3)
I believe the answer is:
set
'all' is the definition.
(thesaurus)
'for the reception?' is the wordplay.
I cannot really understand how this works, but
'the' could be 't' (the is pronounced as a 't' sound in some dialects) and 't' is found within the answer.
The remaining letters 'se' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
'you need' is the link.
Can you help me to learn more?
(Other definitions for set that I've seen before include "declined" , "Gel; group" , "Scenery for play or film" , "Badger's burrow" , "Become stiff like jelly" .)