learned in WordNet English dictionary

1. established by conditioning or learning
   "a conditioned response"
   conditioned  learned 
   
2. having or showing profound knowledge
   "a learned jurist"; "an erudite professor"
   erudite  learned 
   
3. highly educated; having extensive information or understanding
   "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience"
   knowing  knowledgeable  learned  lettered  well-educated  well-read