a. 1. Capable of being deduced or inferred; derivable by reasoning, as a result or consequence. [ 1913 Webster ]

All properties of a triangle depend on, and are deducible from, the complex idea of three lines including a space. Locke. [ 1913 Webster ]

2. Capable of being brought down. [ Obs. ] [ 1913 Webster ]

As if God [ were ] deducible to human imbecility. State Trials (1649). [ 1913 Webster ]

n. The quality of being deducible; deducibility. [ 1913 Webster ]