principal a. highest in rank, authority, importance, or degree | 
principle n. basic truth, law, or assumption; rule or law of nature; rule of personal conduct | 
privilege n. special advantage or benefit not enjoyed by all; right reserved exclusively | 
procedure n. act or manner of moving forward; steps taken in an action | 
procession n. a line of people who are all walking or travelling in the same direction, as part of a ceremony | 
promotional a. intended to advertise something in order to sell it | 
pronounce v. say a word or a letter in a correct way v. state something officially or formally, such as a judgment | 
prospective a. expected or expecting to be something particular in the future n. people who are expected to buy something, become parents, etc. | 
provision n. act of supplying or fitting out; food and other necessary items provided n. a condition or requirement in a legal document | 
punctual a. happening at the expected, correct time; not late | 
punctuation n. marks to clarify meaning of written material by grouping words into sentences, clauses, and phrases n. something that makes repeated and regular interruptions or divisions | 
quadruple v. increase fourfold; become four times as big a. having four units or components | 
quantity n. amount or number of something, especially that can be measured n. an adequate or large amount | 
questionnaire n. form containing a set of questions, submitted to people to gain statistical information | 
rapport n. a good understanding of someone; an ability to communicate well with people; emotional closeness | 
ravioli n. small squares of pasta, often filled with meat or cheese, that are cooked in boiling water | 
reassure v. comfort someone and stop them from worrying; cause to feel sure or certain | 
recollection n. a memory of something; power of recalling ideas to the mind | 
recommend v. suggest that something or someone is the best one to choose | 
recruit v. register formally as a participant; engage for military service; enlist | 
rectangle n. a flat shape with four sides and four right angles, with opposite sides of equal length | 
regulate v. control something, especially by making it work in a particular way; fix or adjust the time, amount, degree, or rate of | 
remit v. transmit or send, especially as money in payment of a demand v. reduce a period of time that someone must spend in prison | 
reservoir n. tank used for collecting and storing a liquid; lake used to store water for community use | 
restore v. give or bring back; return to its original condition | 
reusable a. capable of being used again | 
revise v. look at or consider again an idea or piece of writing to correct or improve it; amend | 
rupture v. cause something to explode, break, or tear; make a sudden noisy break | 
saccharin n. a very sweet artificial substance that is used to replace sugar, as a calorie-free sweetener | 
sacrifice v. give up something that is valuable to help another person v. kill an animal and offer it to a god or gods | 
secretary n. a person who is the head of an administrative department of government n. an assistant who handles clerical work for a boss or an organization | 
semicircle n. half of a circle, or something in this shape | 
semicolon n. a punctuation mark ' ; ' used to connect independent clauses | 
senator n. a member of a senate; a member of the king's council | 
series n. (plural) a number of things or events standing or succeeding in order; sequence | 
shear v. cut or clip hair; strip of something; remove by cutting or clipping | 
sheer a. very absolute or pure; nothing other than a. very steep | 
socialize v. take part in social activities; interact with others | 
sociology n. the study of the relationships between people living in groups, especially in industrial societies | 
soloist n. a musician who performs a single | 
solstice n. either of the two times of a year when the sun is at its greatest distance from the celestial equator | 
souvenir n. token of remembrance; something you buy or keep to help remember a holiday or special event | 
spacious a. wide, generous, or large in area or extent; sizable | 
specialist n. someone who has a lot of experience, knowledge, or skill in a particular subject n. a doctor who has special training in a particular area of medicine | 
specialize v. study or work on a particular subject or skill more than any others; particularize | 
specific a. stated explicitly or in detail; definite | 
spectacle n. a public event or show that is exciting to watch; an exciting appearance | 
spectacular a. very exciting to look at; impressive or especially great | 
spectator n. observer or audience; one who looks on | 
sponsor v. support a person or activity by giving money or other help |