Exceptionally is a related term of additionally.
As adverbs the difference between exceptionally and additionally
is that exceptionally is to an unusual, remarkable or exceptional degree while additionally is by way of addition; in addition to; also.
exceptionally
English
Adverb
(
en adverb)
To an unusual, remarkable or exceptional degree.
Antonyms
* categorically
additionally
English
Adverb
(-)
By way of addition; in addition to; also.
Synonyms
* in addition
* also
* furthermore