| A | B |
| abandon | to give up |
| abstract | difficult to understand, without concrete representation |
| academy | school |
| access | to get at |
| accommodate | to make fit, suitable |
| accompany | to go with |
| accumulate | to gather up little by little |
| accurate | precise |
| achieve | to carry out successfully |
| acknowledge | to take notice of |
| acquire | to take ownership or possession of |
| adapt | to make fit often through change |
| adequate | sufficient for a specific purpose |
| adjacent | near |
| adjust | to bring to a more satisfactory state, settle |
| administrate | manage, control |
| advocate | one that supports or promotes the interests of another |
| affect | influence |
| aggregate | collective |
| aid | help |
| albeit | although |
| allocate | distribute |
| alter | to make different without changing into something else |
| alternative | different from the usual or conventional |
| ambiguous | doubtful or uncertain especially from obscurity or indistinctness |
| benefit | advantage |
| amend | to change or modify for the better, improve |
| analogy | similarity in some particulars between things otherwise unlike |
| analyze | to study or determine the nature and relationship of the parts |
| annual | yearly |
| anticipate | expect |
| apparent | clear or visible |
| append | to add as a supplement or appendix, attach |
| appreciate | to understand the nature, worth, quality, or significance of |
| approach | method |
| appropriate | especially suitable or compatible |
| approximate | nearly correct or precise |
| arbitrary | depending on individual discretion (as of a judge) and not fixed by law |
| aspect | a particular part or phase which can be examined |
| assemble | to put together the parts of |
| assess | evaluate |
| assign | to give responsibility or duty |
| assist | aid |
| assume | suppose |
| assure | to give confidence to |
| attach | to bring into association or to adhere to |
| attain | to gain or achieve |
| attitude | a feeling or emotion toward a fact or state |
| attribute | to explain by indicating a cause |
| author | writer |
| authority | persons in command, especially government |
| automate | to operate by machine |
| available | ready for immediate use |
| aware | having or showing realization, perception, or knowledge |
| behalf | support or interest |