'Exceptionally' definitions:

Definition of 'exceptionally'

(from WordNet)
adverb
To an exceptional degree; "it worked exceptionally well"

Definition of 'Exceptionally'

From: GCIDE
  • Exceptional \Ex*cep"tion*al\, a. [Cf. F. exceptionnel.] Forming an exception; not ordinary; uncommon; rare; hence, better than the average; superior. --Lyell. [1913 Webster]
  • This particular spot had exceptional advantages. --Jowett (Th. ) -- {Ex*cep"tion*al*ly}, adv. [1913 Webster]