Cases of word usage

1) (almost) impossible to believe (because shocking); very surprising (incredible)

2) a remarkable, surprising act or event (good or welcome) which does not follow the known laws of nature (miracle)

3) the making known (of something secret or hidden); something surprising that is revealed (revelation)

4) very surprising (startling)

5) difficult to accept; surprising because not known, seen, heard etc before (strange)

6) surprising because not expected (unexpected)

7) surprisingly good; the feeling caused by something unusual, surprising or that cannot be explained (wonder)