To communicate with someone through some analog or digital channel.
She told me she'd reach out to her lawyer and get the facts about slander. I'm pretty sure that she's confusing the blog entry about her being a coked up whore with libel. For it to be slander, it would have to be said aloud. Anyway, I'll circle back with you after she's had a chance to reach out.
Other takes: reach outActually, this definition sucks. Let me add my own. You can also share "reach out" with a friend or share it on Twitter.