knowledge (nom)
Sens 1 : the fact or condition of knowing something with familiarity gained
through experience or association. [source : MW]
--------------------------------------------------
Sens 2 : the acquaintance with or understanding of a science, art, or technique. [source : D'après MW]
--------------------------------------------------
Sens 3 : everything that is known; organized body of information: all branches of
knowledge. [source : OAL]