GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 508 plasticity (n) The property of some substances through which the form of the mass can readily be changed platitude (n) A written or spoken statement that is flat, dull, or commonplace platonic (adj) idealistic or impractical; not amorous or sensual plaudit (n) An expression of applause plausible (adj) Seeming likely to be true, though open to doubt playful (adj) Frolicsome playwright (n) A maker of plays for the stage plea (n) An argument to obtain some desired action