apply
ap.ply \*-'pli-\ vb [ME applien, fr. MF aplier, fr. L applicare, fr. ad- +]plicare to fold - more at PLY 1a: to put to use esp. for some practical purpose 1b: to lay or spread on 2: to employ diligently or with close attention 1: to have relevance 2: to make an appeal or request esp. in the form of a written application