Long-suffering (5)
'long-suffering' is the definition.
(stoic can mean brave when suffering)
This is the entire clue.
(Other definitions for stoic that I've seen before include "the original Zeno?" , "Uncomplaining person" , "Uncomplaining in suffering" , "Resilient philosopher" , "Greek philosopher" .)
'long-suffering' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for tolerant that I've seen before include "Indulgent, lenient" , "Indulgent, permissive" , "Showing respect for the rights of others" , "Showing acceptance of the opinions of others" , "Allowing carte blanche" .)