actually

adverb:used to emphasize that something is true or real, especially when it is surprising or contradicts a previous statement
- I thought he was joking, but he actually meant it.
adverb:used to correct or clarify a statement, often softening the correction
- It's not a difficult task, actually, it's quite simple once you start.
adverb:used to introduce a new topic or to add more information to what has just been said
- I've finished the report. Actually, I emailed it to you an hour ago.