Word Study
supportable
CIDE DICTIONARY
supportable, a. [Cf. F. supportable.].
Capable of being supported, maintained, or endured; endurable. [1913 Webster]
THESAURUS
supportable
acceptable, apodictic, attestable, authenticatable, bearable, believable, checkable, confirmable, defensible, demonstrable, demonstratable, endurable, evincible, livable, provable, substantiatable, sufferable, sustainable, tenable, tolerable, validatable, verifiableFor further exploring for "supportable" in Webster Dictionary Online