knowledgeable

/ˈnɑlɪdʒəbəl/
adjective
  1. Having or showing a lot of knowledge or information about a particular subject or many subjects.
    • Our tour guide was very knowledgeable about the history of the castle.
    • She is knowledgeable in several programming languages.
    • The professor gave a knowledgeable lecture on climate change.
What does "knowledgeable" mean? | whatsthatwordmean | whatsthatwordmean