1. (

• knowing ,
• knowledgeable ,
• learned ,
• lettered ,
• well-educated ,
• well-read

) highly educated; having extensive information or understanding; "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience" ;

2. (

• knowledgeable ,
• knowing ,

) alert and fully informed; "a knowing collector of rare books"; "surprisingly knowledgeable about what was going on" ;

3. (

• intimate ,
• knowledgeable ,
• versed

) thoroughly acquainted through study or experience; "this girl, so intimate with nature"-W.H.Hudson; "knowledgeable about the technique of painting"- Herbert Read ;