uncontroversial

adj.

1. 无争议的；不会引起不和的
   not causing, or not likely to cause, any disagreement
   1. an uncontroversial opinion
      无争议的意见
   2. He chose an uncontroversial topic for his speech.
      他为自己的演讲选择了一个不会引起争议的话题。

adj

1. not likely to arouse controversy

   Synonym:    noncontroversial