| abandon | desert |
| abiding | continuing |
| abolish | eliminate |
| abort | quit |
| abrupt | sudden |
| abruptly | suddenly |
| absorb | take in |
| abstract | take out |
| abundance | profusion, plenty |
| abundant | plentiful |
| accessible | available, reachable |
| accommodate | adjust to, adapt / make room for, lodge, hold |
| accomplish | achieve |
| accord | grant |
| according to | depending on grant to |
| accordingly | consequently, as a result / |
| account for | explain, describe / make up, comprise |
| accumulate | build up , deposit , collect |
| accurately | correctly |
| accustomed | usual,customary, habitual |
| acquire | gain, obtain |
| acquisition | purchase, gaining |
| activity | capacity |
| actually | in fact, really, practically, virtually |
| adapt | adjust |
| adaptability | ability to change |
| additive | cumulating more more |
| address | speech, speak to / approach, deal with |
| adhere | stick |
| adjacent to | nearby, next to, close to |
| administered | given |
| admit | let in |
| adroit | skillful |
| advancement | progress |
| advent | arrival, introduction |
| adversary | enemy, opponent (sary) |
| adverse | negative, unfavorable |
| advisor | consultant |
| affection | liking, fondness |
| affiliation | association, membership |
| affluence | wealth |
| agents | representatives |
| aggravate | bother, tease |
| agile | quick and active |
| agriculture | farming |
| aid | help, assistance |
| alarming | upsetting, startling, shocking |
| alight | land |
| alleviate | assuage |
| allocate | provide, designate, distribute |
| abort | terminate a pregnancy by undergoing an abortion |