marvelous

Definitions:

Marvelousness.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
Causing wonder; scarcely to be believed; incredible.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)
Marvelously.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adverb) (adv.) (adverb)

Usage examples:

" This is marvelous he said, " I would say you have seen the hills."
- The Garden of Eden by Max Brand
How marvelous is the light of day!
- The Green Forest Fairy Book by Loretta Ellen Brady
It must be a marvelous place!
- Unexplored! by Allen Chaffee