Lisa Philp suggested Sensemaking as a buzzword back in December 2011. I've been on the lookout and she's right - it's everywhere.
From Beth Kanter on using Facebook.
A list of blog posts on collaboration and sensemaking from the Hybrid Vigor Institute.
As a tagline for a consulting firm working with Markets for Good.
As part of the study title in understanding giving in corporations.
Me in SSIR.
Sense making is what buzzword number three (data scientists) do with buzzword number one (data).