adj. defensible, supportable, justifiable, maintainable, workable, viable, defendable, plausible, reasonable, rational, arguable, believable, credible, creditable, imaginable, conceivable, possible Copernicus showed that Ptolemaic cosmology was no longer tenable
TENABLE
Meaning of TENABLE in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012