educated
informed
acquainted with
at home in
at home with
conversant with
familiar with
informed in
intimate with
master of
proficient in
strong in
up on
versed in
well-educated
well-grounded
well-informed
well-posted
well-read in
well-versed
widely read
brigade-sized
clean-looking
distinguished-looking
even-tempered
fair-minded
good-hearted
high-tempered
knowledgeable
levelheaded
likable
low-key
open-minded
quick-witted
strong-minded
sweet-tempered
well-adjusted
well-born
well-cared-for
well-conducted
well-groomed
well-principled
well-spoken