The Collaborative International Dictionary
Supportable \Sup*port"a*ble\, a. [Cf. F. supportable.] Capable of being supported, maintained, or endured; endurable. -- Sup*port"a*ble*ness, n. -- Sup*port"a*bly, adv.
Wiktionary
a. 1 Capable of being supported, uphold, maintained, or defended. 2 Capable of being bear, endured, or tolerated; endurable.
WordNet
adj. capable of being borne though unpleasant; "sufferable punishment" [syn: bearable, endurable, sufferable]
Usage examples of "supportable".
She had already experienced the evils of being protectorless and indigent, and my seasonable interference snatched her from impending and less supportable ills.
I resolved to weaken myself with some common woman, if I could find one at all supportable.
They much prefer logic - the grounded, explainable, unemotional thought process that ends in a supportable conclusion.