as dumb as a post Antonyms
able-minded
profound
qualified
read
savant
scholarly
scholastic
sharp-witted
sly
versatile
versed
well-informed
well-read
witty
au courant
autodidactic
well-educated
eggheaded
polymathic
philosophical
pedantic
acquainted
artful
bookish
capable
cerebral
cognizant
conversant
discriminating
encyclopedic
erudite
imaginative
innovative
lettered
literary
literate
many-sided
omniscient
streetwise