Prescience

Foresight, knowing something before it happens

Prestigious

Having a strong reputation; impressive

Proficient

Competent or skilled at a thing

Prohibit

To forbid or prevent

Prolific

Producing great quantities, often frequently

Prolong

To make longer in time

Prominent

Easily noticeable; well-known

Protrude

To project

Qualitative

Involving qualities of something (features and content)

Quantitative

Involving quantities (numbers and amounts)

Radical

Extreme; strikingly different from the traditional form

Reinforce

To strengthen or add support to

Relevant

Closely related to the matter at hand

Resolute

Determined; set in opinion

Retrospect

Contemplation of the past

Revive

To restore to life or consciousness; to activate

Revolutionize

To bring about significant change

Riddled

Full of small holes

Rigorous

Severe or harsh

Scrutinize

To examine carefully and critically