Emily Dickinson Lexicon

COGN'I-ZA-BLE, a. [con'izable; Fr. connoissable, from connoître, to know; It. cognoscere; Sp. conocer, conocible; Port. conhecer; from L. cognosco, con and nosco, to know personally; Gr. γινωσκω, id.]

1. That falls or may fall under judicial notice; that may be heard, tried, and determined; as, a cause or action is cognizable before the circuit court. These wrongs are cognizable by the ecclesiastical courts. – Blackstone.
2. That falls or may fall under notice or observation; that may be known, perceived, or apprehended. The cause of many phenomena is not cognizable by the senses. – Anon.