D defs.my
Entry 1 sense Webster, 1913

Knowable

· Know·a·ble · IPA /[ˈnoʊəbɫ̩]/
01 a. That may be known; capable of being discovered, understood, or ascertained.
  1. 1.
    That may be known; capable of being discovered, understood, or ascertained.
    “Thus mind and matter, as known or knowable, are only two different series of phenomena or qualities.” Sir W. Hamilton.