used in speaking to emphasize a fact or a comment, or that something is really true

used to show a contrast between what is true and what somebody believes, and to show surprise about this contrast

It was actually kind of fun after all.

The food was not actually all that expensive.

Our turnover actually increased last year.

I couldn't believe it had all actually happened.

We're not American, actually. We're Canadian.

Actually, it would be much more sensible to do it later.

used to get somebody’s attention, to introduce a new topic or to say something that somebody may not like, in a polite way

Actually, I'll be a bit late home.

Actually, I'm busy at the moment—can I call you back?

Well, actually, I think she's done a pretty good job.

LEARNit Dictionary