prac·ti·ca·ble 
(prăktĭ-kə-bəl)
(prăktĭ-kə-bəl)adj.
1. Capable of being effected, done, or put into practice; feasible. See Synonyms at possible.
2. Usable for a specified purpose: a practicable way of entry.
[Medieval Latin prācticābilis, capable of being used, from prācticāre, to practice, from prāctica, practice, from Greek prāktikē, practical science, from feminine of prāktikos, fit for action, practical, from prāssein, prāk-, to make, do.]
prac′ti·ca·bili·ty n.
practi·ca·bly adv.
Usage Note: It is easy to confuse practicable and practical because they look so much alike and overlap in meaning. Practicable means "feasible" as well as "usable," and it cannot be applied to persons. Practical has at least six meanings, including the sense "capable of being put into effect, useful," wherein the confusion with practicable arises. But there is a subtle distinction between these words that is worth keeping. For the purpose of ordering coffee in a Parisian café, it would be practical (that is, useful) to learn some French, but it still might not be practicable for someone with a busy schedule and little time to learn.
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