Plausible, capable of being defended (7)
I believe the answer is:
tenable
(Other definitions for tenable that I've seen before include "fairly arguable" , "Well-founded" , "Viable" , "Capable of being kept" , "Believable" .)
I believe the answer is:
tenable
(Other definitions for tenable that I've seen before include "fairly arguable" , "Well-founded" , "Viable" , "Capable of being kept" , "Believable" .)