noun
1.
the capacity to bear something unpleasant, painful, or difficult
had always had a high tolerance to pain
Synonyms: endurance, stamina, toleration
Related Word: fortitude, grit, guts; strength, vigor; long-suffering, patience, sufferance; steadfastness, steadiness; opposition, resistance
Antonyms: intolerance
2.
Synonyms: forbearance 2, clemency, indulgence, lenience, leniency, mercifulness, toleration
Related Word: liberality, liberalness, open-mindedness, permissiveness
Contrasted words: narrow-mindedness; prejudice; dogmatism; bigotry
Antonyms: intolerance