Up to date with synonyms

What is another word for Up to date with?

• familiar with
• au courant with
• au fait with
• in touch with
• informed about
• knowledgeable
• acquainted with
• conversant with
• up on
• abreast of
• at home with
• apprised of
• up with
• knowledgeable about
• versed in
• having a knowledge of
• up to speed on
• plugged in to
• grounded in
• au courant
• in the know of
• well-informed of
• knowledgeable of
• well versed in
• enlightened of
• clued in on
• wise to
• hip to
• abreast
• unknowledgeable