Can I Use Mistakenly?

Mistakenly sentence example. But when a BNP website mistakenly accused him of being that very same doctor, his horror turned to fury. His biggest stumble came when he mistakenly assumed Mr Levin had backed the war.

Is mistakenly correct word?

adverb. 1In a mistaken way; wrongly. 'True, there may be some people who mistakenly think their interests will be affected by our presence.

Is Mistakenly an adjective?

mistakenly adverb - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com.