The Collaborative International Dictionary
inferrible
Inferable \In*fer"a*ble\ ([i^]n*f[~e]r"[.a]*b'l or
[i^]n*f[e^]r"-; 277), a.
Capable of being inferred or deduced from premises. [Written
also inferrible.]
--H. Spencer.
A sufficient argument . . . is inferable from these
premises.
--Burke.
Wiktionary
inferrible
a. (obsolete form of inferable English)