fantastic

Adjective

Positive
fantastic

Existing in or constructed from fantasy; of or relating to fantasy; fanciful.
- Synonym: fabulous
He told fantastic stories of dragons and goblins.

His fantastic post-school had all failed.

She had a fantastic view of her own importance that no one else shared.
Not believable; maybe only possible in fantasy.
- Synonyms: foolish and wild
The events were so fantastic that all the audience went silent.

She entered the lab and admired the fantastic machines around her.
Wonderful; marvelous; excellent; really good or great (used especially as an intensifier).
- Synonyms: brilliant, fabulous, splendid, super and wonderful
"I had a simply fantastic vacation, and I can't wait to tell you all about it!"