PERDUE, soldier accustomed to hazardous service.
PEREMPTORY, resolute, bold; imperious; thorough, utter, absolute(ly).
PERIMETER, circumference of a figure.
PERIOD, limit, end.
PERK, perk up.
PERPETUANA, "this seems to be that glossy kind of stuff now called everlasting, and anciently worn by serjeants and other city officers" (Gifford).
PERSPECTIVE, a view, scene or scenery; an optical device which gave a distortion to the picture unless seen from a particular point; a relief, modelled to produce an optical illusion.
PERSPICIL, optic glass.
PERSTRINGE, criticise, censure.
PERSUADE, inculcate, commend.