knowledgeable
adjective
1. highly educated; having extensive information or understanding
- a knowledgeable critic
- a knowledgeable audience
Similar word(s): educated, knowing, learned, lettered
2. alert and fully informed
- surprisingly knowledgeable about what was going on
Similar word(s): informed, knowing
3. thoroughly acquainted through study or experience
- knowledgeable about the technique of painting
Similar word(s): experienced, experient, intimate, versed