As adverbs the difference between arguably and contentiously
is that arguably is as can be supported or proven by sound logical deduction, evidence, and precedent while contentiously is in a contentious manner.
arguably
English
Adverb
(
en adverb)
As can be supported or proven by sound logical deduction, evidence, and precedent.
Synonyms
* (as can be supported or proven) debatably, defensibly