| A | B |
| abolish | to end, or do away with |
| absolute | complete, unmixed, not limited |
| accurate | free from mistakes or errors |
| acquire | to gain |
| acquisition | something someone has gained |
| adapt | to change or adjust |
| adherence | attachment to, support of |
| adopt | to choose and follow, vote to accept |
| advocate | to speak or write in support of something |
| affect | to influence or produce a change in |
| aggression | a forceful, hostile or warlike act |
| aggressive | inclined toward militant action |
| agrarian | of agriculture or farmers |
| allocate | to set apart for a specific purpose |
| allocation | that which is set apart |
| alter | to change |
| analysis | examination of the parts making up a whole |
| appease | to pacify or quiet |
| assert | to declare, or defend |
| assimilate | to absorb or make alike |
| assume | to suppose or take for granted |
| assumption | anything that someone takes for granted |
| assure | to convince or promise |
| authority | the power to enforce obedience |
| authorize | to delegate power |