The definition of tenable is reasonable, or able to be sustained or maintained.
The definition of legitimate is within the rules, correct or accepted as proper. It also refers to a person whose parents are married when he or she is born.
The definition of proper is appropriate or obeying manners and standards.
That can be excused; pardonable; justifiable
Reasoning or capable of reasoning in a clear and consistent manner:
Impossible to excuse, pardon, or justify:
Excessive; immoderate; exorbitant
Capable of being justified
In or into a satisfactory state or condition:
Find another word for justifiable. In this page you can discover 18 synonyms, antonyms, idiomatic expressions, and related words for justifiable, like: tenable, legitimate, indefensible, defensible, warrantable, proper, excusable, fit, logical, unjustifiable and unreasonable.