Pertinent

Related to the matter at hand; to the point; appropriate

Pewter

A dull gray alloy of tin with lead, copper and other metals; articles made of this alloy

Philanthropist

A person who gives money to help others

Picturesque

Suggesting a picture; strikingly vivid; charming or quaint to look at

Pollute

To make unclean, impure, or dirty, to contaminate

Posterity

All of a person's descendents; future generations

Prearrange

To arrange in advance or beforehand; to plan ahead

Precocious

Showing unusually early development; mature or advanced for one age

Premeditated

planned or considered beforehand; plotted in advanced; deliberate

Preposterous

Completely contrary to nature, reason, or common sense; absurd; ridiculous; foolish