Returns to select ground (6)
I believe the answer is:
elects
'returns' is the definition.
The definition and answer can be both to do with social activities as well as being verbs in their -s form.
Maybe there's a link between them I don't understand?
'select ground' is the wordplay.
'ground' indicates an anagram (grind the letters ).
'select' anagrammed gives 'ELECTS'.
'to' is the link.
Can you help me to learn more?
(Other definitions for elects that I've seen before include "Votes in" , "Selects by ballot" , "Appoints to position in ballot" , "Selects by a vote" , "Appoints to office through ballot" .)