exceptionally

Etymology

exceptional + -ly

adv

1. To an unusual, remarkable or exceptional degree.
   The shed, a steel-framed structure with a single-span roof devoid of intermediate support, is exceptionally well-lit by continuous glazing on the roof and along much of the sides, while there is fluorescent roof lighting for night work. 1960 July, “New Eastern Region diesel depot at Finsbury Park”, in Trains Illustrated, pages 422–423