1. Having knowledge and spiritual insight.
2. Highly educated; having extensive information or understanding; SYN. knowing, knowledgeable, learned, lettered, well-educated, well-read.
ETYM Pref. im- not + partial: cf. French impartial.
Showing lack of favoritism; SYN. fair.
Free from undue bias or preconceived opinions; SYN. impartial.