Implies knight is joking for the listeners (8)
I believe the answer is:
suggests
'implies' is the definition.
(suggesting is a kind of implying)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for suggests that I've seen before include "counsels" , "Puts forward for discussion" , "Makes a proposal" , "Puts forward for consideration" , "Proposes" .)