n. 25B6; noun
she tried everyone's patience : FORBEARANCE, tolerance, restraint, self-restraint, stoicism; calmness, composure, equanimity, serenity, tranquillity, imperturbability, understanding, indulgence.
a task requiring patience : PERSEVERANCE, persistence, endurance, tenacity, assiduity, application, staying power, doggedness, determination, resolve, resolution, resoluteness; formal pertinacity.