knowledgeable

英['nɒlɪdʒəb(ə)l] 美['nɑlɪdʒəbl]

1. highly educated; having extensive information or understanding;

"an enlightened public"

"knowing instructors"

"a knowledgeable critic"

"a knowledgeable audience"

2. thoroughly acquainted with and skilled in something through study or experience;

"well versed in classical languages"

3. alert and fully informed;

"politically aware"

"a knowing collector of rare books"

"the most...technically aware of the novelists under thirty"- W.S.Graham

"surprisingly knowledgeable about what was going on"

4. thoroughly acquainted with through study or experience;

"this girl, so intimate with nature"-W.H.Hudson

"knowledgeaIble about the technique of painting"- Herbert Read