knowl ‧ edge ‧ a ‧ ble /ˈnɒlɪdʒəb ə l $ ˈnɑː-/ BrE AmE adjective
[ Word Family: adjective : ↑ knowing , ↑ knowledgeable , ↑ known ≠ ↑ unknown ; noun : ↑ knowledge , the unknown; adverb : ↑ knowingly ≠ ↑ unknowingly , ↑ knowledgeably ; verb : ↑ know ]
knowing a lot
knowledgeable about
Graham’s very knowledgeable about wines.
—knowledgeably adverb