extraordinary or unusual (often referring to a large degree or size)

astounding, exceptional

deserving or attracting attention

extraordinary, unusual

extremely attractive, grand

wonderful, impressive

amazingly good

wonderful, amazing

of something that is not controlled or explained by physical laws

mysterious, not of this world

not natural, mysterious

very strange, unusual

mysterious; ghostly; unreasonable

supernatural; very strange

never done or known before

exceptional, original

surprisingly good

great, extraordinary