形容詞 knowledgeable:

1. highly educated; having extensive information or understanding
   同義詞：enlightened, knowing, learned, lettered, well-educated, well-read
2. alert and fully informed
   同義詞：knowing
3. thoroughly acquainted through study or experience- Herbert Read
   同義詞：intimate, versed

1. Not knowledgeable or skilled; inexperienced.
   沒有知識(shí)或技巧的; 無經(jīng)驗(yàn)的
2. Knowledgeable about or constituting all or many subjects; comprehensively broad.
   博學(xué)多才的關(guān)于或組成所有或許多學(xué)科知識(shí)的; 包羅萬象的廣闊
3. I do not respect him because he is knowledgeable.
   我并非因?yàn)樗袑W(xué)問而尊敬他。

knowl.edge.a.ble

adj.（形容詞）
Possessing or showing knowledge or intelligence; perceptive and well-informed.
有見識(shí)的，知識(shí)淵博的：掌握或顯示出知識(shí)或智力的；有洞察力的而且見識(shí)廣的

【引伸】
knowl.edgeabil.ity 或
knowl.edgeableness
n.（名詞）
knowl.edgeably
adv.（副詞）