Antonyms of adj controversial

1 sense of controversial

Sense 1
controversial (vs. uncontroversial) -- (marked by or capable of arousing controversy; "the issue of the death penalty is highly controversial"; "Rushdie's controversial book"; "a controversial decision on affirmative action")

uncontroversial (vs. controversial), noncontroversial -- (not likely to arouse controversy)
        => unchallengeable -- (not open to challenge; "unchallengeable facts"; "a position of unchallengeable supremacy")
        => undisputed, unchallenged, unquestioned -- (generally agreed upon; not subject to dispute; "the undisputed fact")
        => agreed upon (predicate), stipulatory -- (constituted or contracted by stipulation or agreement; "stipulatory obligations")

Similarity of adj controversial

1 sense of controversial

Sense 1
controversial (vs. uncontroversial) -- (marked by or capable of arousing controversy; "the issue of the death penalty is highly controversial"; "Rushdie's controversial book"; "a controversial decision on affirmative action")
       => arguable, debatable, disputable, moot -- (open to argument or debate; "that is a moot question")
       => contentious -- (involving or likely to cause controversy; "a central and contentious element of the book"- Tim W.Ferfuson)
       => disputed -- (subject to disagreement and debate)
       => polemic, polemical -- (of or involving dispute or controversy)