in a good or positive way

I don't respond very positively to being bossed around - it just makes me angry. 我不喜欢被呼来喝去——这只会使我恼火。

certainly

He said quite positively that he would come, so I've saved a place for him. 他很肯定地说他会来，所以我给他留了个位子。

used to emphasize something, especially something that is unexpected

That sales assistant was positively rude to me! 那个销售员对我非常粗鲁！