The word feasible, following its Latin root, indeed, means something that has the capacity or the potential —not yet accomplished or secured— to be completed, accomplished, or realized; do note that the word can also come to mean something that is reasonable or likely to occur. The opposite of feasible would be something that is unrealizable, impracticable or just simply unfeasible.
<span>How does Chief Joseph demonstrate that he cares more about his people than about himself? </span> Answer: He puts their lives ahead of his own freedom.