G&S comic opera (6,7)
(Other definitions for patience that I've seen before include "capacity for endurance" , "'Forbearance, tolerance (8)'" , "Game, tolerance of delay" , "Unhurried quality or solo card game" , "Game; forbearance" .)
(Other definitions for iolanthe that I've seen before include "G&S twenty three down" , "Staged work" , "G & S' alternative for "The Peer and the Peri"" , "G&S's eponymous fairy" , "G&S piece" .)
(Other definitions for the gondoliers that I've seen before include "G&S operetta" , "opera" , "Gilbert and Sullivan operetta" .)