English speakers can use an adverb to express an attitude toward the proposition contained in the sentence. In an utterance like Foolishly, Joan quit school , the proposition is Joan quit school while foolishly is an editorial comment made by the speaker.
Luckily, they were saved by a hiker.
Incredibly, he passed the bar examination.
Amazingly, Maria married Arnold.
The storm did little change, surprisingly.
Attitude disjuncts can be post-modified, usually by enough- Oddly enough, she didn't mind; Strangely enough, Janice stayed. Occasionally they can be negated--Not surprisingly, she caught cold.
