| A | B |
| accelerate | to speed up |
| achieve | to accomplish |
| adjacent | next to, near by |
| alternative | an acceptable substitute |
| analyze | to carefully think about the parts |
| approach | to come near |
| approximate | close to but not exactly |
| arbitrary | optional choice |
| assert | to put forth with independence |
| assess | to evaluate or test |
| assign | to give responsibility to |
| assume | to think without checking |
| authorize | to give permission to do so |
| automatic | to begin immediately |
| chapter | part of a whole |
| compensate | to pay or make up for |
| complex | difficult, hard to understand |
| complicate | to make difficult |
| comply | to do what is asked |
| component | part of the whole |
| comprehend | to understand |
| conceive | to initiate or bring about |
| concentrate | to think hard or increase |
| concept | an idea |
| conclude | to finish |
| consequent | as a result of |
| consist | to be made up of |
| constant | steady, unwavering |
| construct | to make or put together |
| consult | to ask for information |
| context | the part surrounding |
| contrast | the opposite |
| contribute | to give or add to |
| convert | to change |
| create | to make from the beginning |
| criterion | the requirement to be met |
| crucial | absolutely necessary |
| data | facts or statistics |
| define | to explain the meaning of |
| definite | without a doubt, certain |
| demonstrate | to show or model |
| denote | to point out or signal |
| derive | to take from or originate |
| design | to make the original plans for |
| devise | to think up a method |
| devote | to put all energies into |
| dimension | a measurement of |
| distinct | very sharp or clear |
| distort | to change in form |