Tolerance where you are required to follow suit (8)
I believe the answer is:
patience
I believe this is a double definition.
'tolerance' is the first definition.
(thesaurus)
'where you are required to follow suit' is the second definition.
(card game in which cards are arranged by suit)
(Other definitions for patience that I've seen before include "there's no one else to play this game" , "G & S' alternative for "Bunthorne''s Bride"" , "likely to be lost by the hot-tempered" , "Card game for one player" , "Composure" .)