new
unexampled
beguiling
bewildering
enigmatic
exceptional
extraordinary
fabulous
fantastic
fascinating
incomprehensible
inconceivable
incredible
indescribable
ineffable
legendary
marvelous
miraculous
mythical
noteworthy
novel
outlandish
passing strange
phenomenal
portentous
primary
prodigious
prototypal
puzzling
rare
remarkable
sensational
strange
striking
stupefying
stupendous
uncopied
unduplicated
unheard-of
unimaginable
unimitated
unique
unparalleled
unreproduced
unspeakable
wonderful
wondrous
astound
dramatic
inexplicable
recent
uncommon
unexpected