Englishviable
adjective
the committee came forward with the only viable solution:
workable, feasible, practicable, practical, applicable, usable, manageable, operable, operational, possible, within the bounds/realms of possibility, within reach, within reason, likely, achievable, attainable, accomplishable, realizable, reasonable, sensible, realistic, logical, useful, of use, serviceable, suitable, expedient, effective, valid, tenable;
sound, well advised, well thought out, well grounded, judicious, level-headed, wise;
informal doable.
▷antonyms impracticable.
viable Oxford Dictionary of English