Tending to excite wonder; surprising, extraordinary. / Surprisingly excellent; very good or admirable, extremely impressive.

(dialect) Exceedingly, to a great extent.

The state of being wonderful.

plural of wonderfulness

Expressing astonished admiration.

Something that causes amazement or awe; a marvel. / Something astonishing and seemingly inexplicable. / Someone very talented at something, a genius.

(intransitive) To be affected with surprise or admiration; to be struck with astonishment; to be amazed; to marvel; often followed by at.

present participle of wonder

The mental activity by which one wonders; a query, puzzlement, etc.

Full of questioning and consideration.