Part of speech: Adverb
in a shrewd manner
Example: he invested his fortune astutely; he was acutely insightful
Sapiently, Acutely, Sagaciously, Astutely, Shrewdly
shrewd – A related word in the same word family.
ly – A related word in the same word family.
Some English words are 'fossil words'—they only survive in idioms or fixed phrases.