Workable (9)
'workable' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for practical that I've seen before include "Concerned with doing rather than with theory" , "Functional, pragmatic" , "Experiment" , "Feasible; realistic" , "Pragmatic, hard-nosed" .)
'workable' is the definition.
(synonyms)
This is all the clue.
(Other definitions for viable that I've seen before include "Capable of life and growth" , "Practicable, able to be done successfully" , "Sound" , "Able to survive; practicable" , "Capable of independent life" .)