n.
1.
Endurance.
2.
Endurance ( without complaint ), fortitude, resignation, submission, sufferance, long-sufferance, long-suffering, calmness, composure.
3.
Quietness, calmness.
4.
Forbearance, leniency, indulgence, longsuffering.
5.
Perseverance, persistence, indefatigableness, constancy, diligence, assiduity.