Promoted tea no longer in the closet (6)
I believe the answer is:
touted
'promoted' is the definition.
The definition and answer can be both to do with communicating as well as being past participle verbs.
Perhaps you can see an association between them that I can't see?
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for touted that I've seen before include "Tried busily to get orders for goods" , "Solicited" .)