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WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS

WORDNET DICTIONARY

Adjective knowledgeable has 3 senses

• knowledgeable(s = adj.all) knowing, learned, lettered, well-educated, well-read - highly educated; having extensive information or understanding; "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience"
Derived forms noun knowledgeability₁, noun knowledgeableness₁

• knowledgeable(s = adj.all) knowing - alert and fully informed; "a knowing collector of rare books"; "surprisingly knowledgeable about what was going on"
Derived forms noun knowledgeability₁, noun knowledgeableness₁

• knowledgeable(s = adj.all) intimate, versed - thoroughly acquainted through study or experience; "this girl, so intimate with nature"; "knowledgeable about the technique of painting"
Derived form noun knowledgeability₁

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

knowledgeable

all-knowing, apperceptive, appercipient, apprehending, apprehensive, au courant, au fait, authoritative, aware, brainy, bright, brilliant, clever, cognizant, comprehending, confined, conscious, cultured, discerning, enlightened, erudite, expert, familiar, feature, featured, gnostic, in the know, insightful, intelligent, knowing, knowledgable, learned, limited, mindful, omniscient, perceptive, percipient, perspicacious, prehensile, quick-witted, ready, restricted, sagacious, sage, sensible, sharp, shrewd, smart, sophic, sophisticated, specialist, specialistic, specialized, technical, understanding, well-educated, well-informed, well-read, wise, worldly

For further exploring for "knowledgeable" in Webster Dictionary Online