indeed

Concise Oxford English Dictionary © 2008 Oxford University Press:
indeed/ɪnˈdiːd/

▶adverb

• 1 used to emphasize a statement, description, or response.

• 2 used to introduce a further and stronger or more surprising point.

• 3 used in a response to express interest, incredulity, or contempt.

– origin ME: orig. as in deed.