knowledgeable
US /ˈnɑː.lɪ.dʒə.bəl/
UK /ˈnɑː.lɪ.dʒə.bəl/

1.
esperto, informato, competente
possessing or exhibiting knowledge, intelligence, or perception
:
•
She is very knowledgeable about ancient history.
È molto esperta di storia antica.
•
The guide was incredibly knowledgeable about the local wildlife.
La guida era incredibilmente esperta della fauna selvatica locale.