INVESTIGABLE
Etymology
Adjective
investigable (comparative more investigable, superlative most investigable)
(chiefly, philosophy and science) Capable of being investigated or studied.
Source: Wiktionary
In*ves"ti*ga*ble, a. Etym: [L. investigabilis. See Investigate.]
Definition: Capable or susceptible of being investigated; admitting
research. Hooker.
In*ves"ti*ga*ble, a. Etym: [L. investigabilis. See In- not, and
Vestigate.]
Definition: Unsearchable; inscrutable. [Obs.]
So unsearchable the judgment and so investigable the ways thereof.
Bale.
Source: Webster’s Unabridged Dictionary 1913 Edition