Antonyms of adj hesitant

1 sense of hesitant

Sense 1
hesitant, hesitating -- (lacking decisiveness of character; unable to act or decide quickly or firmly)

INDIRECT (VIA indecisive) -> decisive -- (characterized by decision and firmness; "an able and decisive young woman"; "we needed decisive leadership"; "she gave him a decisive answer")

Similarity of adj hesitant

1 sense of hesitant

Sense 1
hesitant, hesitating -- (lacking decisiveness of character; unable to act or decide quickly or firmly)
       => indecisive (vs. decisive) -- (characterized by lack of decision and firmness; "an indecisive manager brought the enterprise to a standstill")