erudite

1. ADJ If you describe someone as erudite, you mean that they have or show great academic knowledge. You can also use erudite to describe something such as a book or a style of writing. 博学的[正式]

He was never dull, always erudite and well informed. 他从来都不愚笨，而且一直是那么博学多识。

She wrote in an original and highly erudite style. 她的写作风格具原创性且十分博学。