defensible
I
adjective
armed, believable, condonable, credible, defendable, exculpatory, excusable, impregnable, invincible, invulnerable, justifiable, justified, maintainable, pardonable, plausible, prepared, sound, supportable, tenable, unassailable, unattackable, vindicable, vindicatory, warrantable
II
index
inexpugnable, justifiable, pardonable, plausible, tenable, unobjectionable
Burton's Legal Thesaurus.
William C. Burton.
2006