adjective. Capable of being supposed or conjectured.

Capable of being supposed; involving no absurdity, and not meaningless.

Sufficiently probable to be admitted problematically.

adjective. Capable of being supposed, or imagined to exist.

adjective. Capable of being supposed; imaginable.

adjective. capable of being inferred on slight grounds

"For example if it makes no difference whether we say that the supposable is not the genus of the opinable or that the opinable is not identical with a particular kind of supposable (for what is meant is the same in both statements), it is better to take as the terms the supposable and the opinable in preference to the phrase suggested."

thinkable  

avowable  bass)-playin'  blameable  celebrated  excus