up‧grate [n. uhp-greyt; v. uhp-greyt, uhp-greyt] noun, verb, -grat‧ed, -grat‧ing
-noun:
1. The new and improved version of MyBB.
-verb:
1. The act of downloading MyBB from www.mybb.com, uploading the files to the user's web server, and converting existing data into the newly uploaded forum. See Installing.