This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. That can be presumed or taken for granted; reasonable as a supposition: presumable causes of the disaster.

adj. Capable of being presumed.

adj. Such as may be presumed or supposed to be true; that seems entitled to belief without direct evidence.

Capable of being presumed or taken for granted; such as may be supposed to be true or entitled to belief without examination or direct evidence, or on probable evidence.

adj. capable of being inferred on slight grounds

"But if you are talking a game of chicken with China you are presumable talking about more than a very small devaluation, and that would be bad for people who want to buy goods from the world – which is just more than Wal Mart junk from China."

thinkable   

presume    presumably    presumption   

existence    security    effects    articulatory    comb-over