1) Capable of being derived 2) Derived 3) Inferable 
• (a.) That can be derived; obtainable by transmission; capable of being known by inference, as from premises or data; capable of being traced, as from a radical; as, income is derivable from various sources.
De·riv'a·ble adjective [ From Derive .] That can be derived; obtainable by transmission; capable of being known by inference, as from premises or data; capable of being traced, as from a radical; as, income is derivable from various sources. « All honor derivable upon me.&#x...
[adj] - capable of being derived
adjective capable of being derived