offbeat, notable, usual, unusual, unique, unmistakably, remarkable, signally, odd, out of the ordinary, remarkably, surprising, special, especially, unco, very, outstandingly, exotic.
exceptionally (part of speech: adverb)
infrequently (part of speech: adverb)
nonconformingly (part of speech: adverb)
extremely (part of speech: adverb)