What does "doughty" mean?

Doughty: Able; strong; valiant; redoubtable; as, a doughty hero. Sir Thopas wex [grew] a doughty swain. Chaucer. Doughty families, hugging old musty quarrels to their hearts, buffet each other from generation to generation. Motley. Note: Now seldom used, except in irony or burlesque.

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