Dinner table exhortation (3)
I believe the answer is:
eat
'dinner table exhortation' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for eat that I've seen before include "Gobble up" , "Bit, chew and swallow" , "Munch" , "Consume (food)" , "Partake of" .)