Antonyms of adv controversially

1 sense of controversially

Sense 1
controversially, polemically -- (involving controversy; "criticism too polemically stated")
       Antonym of uncontroversially (Sense 1)
      => uncontroversially -- (not involving any controversy)

Synonyms of adv controversially

1 sense of controversially

Sense 1
controversially, polemically -- (involving controversy; "criticism too polemically stated")