Partners at table accepting one’s sensible (4)
I believe the answer is:
wise
'sensible' is the definition.
(I've seen this in another clue)
'partners at table accepting one's' is the wordplay.
'partners at table' becomes 'WE' (West and East are team mates in the game bridge).
'accepting' indicates putting letters inside (inserted letters are accepted).
'one's' becomes 'is' (Roman numeral).
'we' placed around 'is' is 'WISE'.
(Other definitions for wise that I've seen before include "Old and knowledgable" , "Sagacious" , "Learned, sage" , "Showing sagacity" , "Judicious" .)