Un*u"su*al*ly

from The Collaborative International Dictionary of English v.0.48

Unusual \Un*u"su*al\, a.
   Not usual; uncommon; rare; as, an unusual season; a person of
   unusual grace or erudition. -- {Un*u"su*al*ly}, adv. --
   {Un*u"su*al*ness}, n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

57 Moby Thesaurus words for "unusually":
      abnormally, abundantly, acutely, amazingly, amply, astonishingly,
      awesomely, conspicuously, copiously, eminently, emphatically,
      exceptionally, exquisitely, extraordinarily, exuberantly, famously,
      generously, glaringly, hardly, hardly ever, impressively,
      incredibly, intensely, magically, magnanimously, magnificently,
      markedly, marvelously, nobly, notably, particularly, peculiarly,
      pointedly, preeminently, profusely, prominently, pronouncedly,
      rarely, remarkably, richly, seldom, seldom if ever, signally,
      singularly, splendidly, strikingly, superlatively, surpassingly,
      surprisingly, uncommonly, uncustomarily, unexpectedly, unnaturally,
      unordinarily, wonderfully, wondrous, worthily