present is to be distinguished from introduce. Introduction takes place among equals, but a presentation takes place by act of grace. Then the favored person is brought into the presence of some superior or other persons, be it lady or celebrity, who is graciously pleased to grant the privilege, which however does not permit the subsequent familiarity of an introduction. A man may be presented at court or to a reigning beauty, but he is merely introduced to the man who may afterwards become a college chum.

pretend is so commonly used in a bad sense that it becomes improper to use it (even in the sense of claim) for profess; for a profession is made only of what one is happy or proud to profess. Therefore say, “I profess (not I pretend to) skill in surgery.”

pretty as an adverb may properly be used to signify moderately, tolerably, fairly, somewhat (extensively), but the expression lacks elegance and definitiveness, as is shown by the following sentence: “He is a pretty sick man, but is pretty sure to recover, being at all times pretty fortunate.”

prevail: In the sense of “triumph,” this word is usually followed by the prepositions over or against; as, “We have prevailed over our enemies”; “None can prevail against us.” In the sense of “to have effectual influence,” follow it with on, upon or with; as, “He prevailed on me to go.” In the sense “to have general vogue, currency or acceptance,” it should be followed by through or throughout; as, “Mohammedanism prevails throughout Northern Africa.”

preventive is preferable to preventative, which is a corruption of the former, has been described as a “barbarism,” and is said to stamp any one using it as lacking in common education.

previous: In higher literature, the adverbial use of previous with to, in the sense of “prior to” is not favored. The adverb previously or the expression prior to is preferred.

prey. Compare [PRAY].

principle, principal: Exercise care in the use of these homophones. Principle is a source or cause from which a thing proceeds: principal, first or highest in rank. Note the difference in spelling.