practicable
adj
1 that can be put into practice; workable 可以实施的; 行得通的
a practicable scheme, solution, suggestion, etc 切实可行的计画、 解决办法、 建议等.
2 (of roads, etc) fit to be used by traffic; passable (指道路等)适於车辆往来的, 可通行的
the mountain route that is practicable only in summer 只有在夏季才可以通行的山路. Cf 参看 impracticable.