TENABLE
tenable, well-founded
(adjective) based on sound reasoning or evidence; “well-founded suspicions”
Source: WordNet® 3.1
Etymology
Adjective
tenable (comparative more tenable, superlative most tenable)
(of a theory, argument, etc.) capable of being maintained or justified; well-founded
(military) Capable of being defended against assault or attack; defensible
Fit for habitation, similar, or related use.
Antonyms
• untenable
• intenable
Anagrams
• Beltane
Source: Wiktionary
Ten"a*ble, a. Etym: [F. tenable, fr. tenir to hold, L. tenere. See
Thin, and cf. Continue, Continent, Entertain, Maintain, Tenant,
Tent.]
Definition: Capable of being held, naintained, or defended, as against an
assailant or objector, or againts attempts to take or process; as, a
tenable fortress, a tenable argument.
If you have hitherto concealed his sight, Let it be tenable in your
silence still. Shak.
I would be the last man in the world to give up his cause when it was
tenable. Sir W. Scott.
Source: Webster’s Unabridged Dictionary 1913 Edition