Defensible

from WordNet (r) 3.0 (2006)

defensible
    adj 1: capable of being defended [syn: {defendable},
           {defensible}]

from The Collaborative International Dictionary of English v.0.48

Defensible \De*fen"si*ble\, a. [Cf. F. d['e]fensable, LL.
   defensabilis, defensibilis. See {Defense}, and cf.
   {Defendable}.]
   1. Capable of being defended; as, a defensible city, or a
      defensible cause.
      [1913 Webster]

   2. Capable of offering defense. [Obs.] --Shak.
      [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

44 Moby Thesaurus words for "defensible":
      admissible, allowable, balanced, condonable, defendable, deserved,
      dispensable, due, equitable, even, evenhanded, excusable,
      exemptible, expiable, fair, fair and square, fit, forgivable, good,
      inoffensive, just, justifiable, justified, lawful, legal,
      legitimate, level, meet, meet and right, merited, pardonable,
      proper, reasonable, remissible, right, right and proper, rightful,
      square, tenable, unobjectionable, venial, vindicable, warrantable,
      warranted

[email protected]