Propitious
Favorable; fortunate; advantageous
Propound
Put forth for analysis
Propulsive
Driving forward
Prosaic
Dull and unimaginative; factual
Proscribe
Ostracize; banish; outlaw
Protean
Versatile
Protocol
Diplomatic étiquette
Protract
Prolong
Protrude
Stick out
Provident
Displaying foresight
Provincial
Limited in outlook; unsophisticated
Provisional
Tentative
Prowess
Extraordinary ability
Proximity
Nearness
Prude
Excessively modest person
Prune
Cut away; trim
Prurient
Having or causing lustful thought and desires
Pseudonym
Pen name
Psyche
Soul; mind
Puerile
Childish; immature
Pugnacity
Combativeness
Pulchritude
Beauty; comeliness
Punctilious
Laying stress on niceties of conduct or form
Pundit
Authority on a subject