Singularly

Adverb

 * 1) In a singular manner.
 * 2) Strangely; oddly; as, to behave singularly.
 * 3) So as to express one, or the singular number.

Thesaurus
abundantly, acutely, alone, amazingly, amply, apart, astonishingly, awesomely, by itself, characteristically, conspicuously, copiously, distinctively, eerily, eminently, emphatically, exceptionally, exquisitely, extraordinarily, exuberantly, famously, fancifully, fantastically, generously, glaringly, grotesquely, impressively, in the singular, incredibly, individually, intensely, intrinsically, like no other, magically, magnanimously, magnificently, markedly, marvelously, monstrously, mysteriously, nobly, notably, once, one by one, outlandishly, particularly, peculiarly, per se, pointedly, preeminently, profusely, prominently, pronouncedly, quaintly, queerly, remarkably, richly, separately, severally, signally, single-handedly, singly, splendidly, strangely, strikingly, superlatively, supernaturally, surpassingly, surprisingly, uncommonly, uniquely, unusually, wonderfully, wondrous, worthily

Etymology
From singular.