Operable

['ɒp(ə)rəb(ə)l] or ['ɑpərəbl]

(adj.) capable of being treated by surgical operation; 'an operable cancer' .

(adj.) usable for a specific purpose; 'an operable plan'; 'a practicable solution' .

Editor: Wendell--From WordNet

(a.) Practicable.

Checker: Raymond