Marvellous

Adjective

 * 1) Exciting wonder or surprise; astonishing; wonderful.
 * I went to a marvellous party last week.

Thesaurus
amazing, astonishing, astounding, breathtaking, crazy, excellent, extraordinary, fabulous, fantastic, glorious, great, groovy, incredible, marvy, mind-boggling, miraculous, phenomenal, remarkable, sensational, smashing, spectacular, splendid, super, superb, surprising, terrific, unbelievable, unparalleled, wild, wonderful

Alternative forms

 * marvelous (US)

Etymology
First attested from 1300, from Old French, from merveillos, from merveille a wonder. See also: marvel.