Knowledgeable about synonyms

What is another word for Knowledgeable about?

• informed about
• familiar with
• acquainted with
• au fait with
• au courant with
• abreast of
• in touch with
• conversant with
• aware of
• put on to
• get to know
• get with it
• tip off
• let know
• become aware of
• come to know
• gain friendship
• make conversant
• bring into use
• get lowdown on
• let down hair
• become adept in
• let next to
• awaken to
• get lay of land
• conversant
• at home with
• well versed in
• well-informed about
• up to speed on