shrewdly

/ˈʃruːdli/
adverb
  1. In a way that shows clever judgment and practical understanding, especially in business or personal dealings.
    • He shrewdly waited until the last minute to make his offer.
    • The cat shrewdly observed the bird feeder before making a move.
    • She shrewdly invested in the startup before it became famous.
Antonyms