unwittingly

Concise Oxford English Dictionary © 2008 Oxford University Press:
unwitting/ʌnˈwɪtɪŋ/

▶adjective

• 1 not aware of the full facts: an unwitting accomplice.

• 2 not intentional.

– derivatives
unwittingly adverb,
unwittingness noun.

– origin OE unwitende ‘not knowing or realizing’ (see un-1, wit2).