Proceleusmatic \Proc`e*leus*mat"ic\, a. [L. proceleusmaticus, Gr. ?, fr. ? to rouse to action beforehand; ? + ? to incite; cf. F. proc['e]leusmatique.] 1. Inciting; animating; encouraging. [R.] --Johnson. 2. (Pros.) Consisting of four short syllables; composed of feet of four short syllables each. Proceleusmatic \Proc`e*leus*mat"ic\, n. (Pros.) A foot consisting of four short syllables.