| A | B |
| ideal | thought to be perfect |
| ideological | the study of ideas |
| illustrate | to make clear by examples |
| impact | the power of an event to bring about change |
| implementation | to put an idea into practice |
| imply | to hint at or suggest |
| impose | to place a burden or responsibility on someone |
| indicate | to point out, or show |
| individual | single or separate |
| ineffective | not capable of producing desired result |
| inequities | instances of unfairness |
| infiltrate | to attack or seize control from within |
| influence | to power to affect the actions of others |
| initiate | to start or bring into practice |
| initiative | the act of beginning; can also refer to a law which is derived from people's ideas not politicians |
| institute | to set up, establish |
| intensify | to strengthen or increase |
| interest | feeling of concern or importance |
| interfere | to meddle or hinder |
| interpret | to explain the meaning of something |
| intervene | to come in between |
| involve | to include or become entangled in |
| involvement | the act of becoming included |
| isolate | to set apart from others |
| insulated | to be in a detached or isolated position |
| incumbent | current office holder |
| integrate | mix together; bring together; incorporate |
| intention | a specific purpose for an action; the intent |
| inherent | a permanent characteristic, right or power; natural-causing or born within |
| impeach | indictment; to formally accuse of wrongdoing |
| inaugurated | to make a formal beginning of; to swear into office |
| internment | to be confined; locked up |
| industrialized | to introduce industry/factories on a large scale |
| interstate | crossing state lines; serving multiple states |
| intrastate | within the boundaries of 1 state |
| imperialism | extending rule or authority into another country or territory |
| incite | to stir; to encourage; to stimulate |
| instill | to infuse slowly into mind or feelings; to input drop by drop |
| instigate | to urge or provoke |
| inflation | a general rise in price levels and a loss in the value of currency |
| indoctrination | teaching a specific principle or view |
| inevitable | unable to be avoided; bound to happen |
| impressment | making people serve; turning them into property |
| illegitimate | unlawful; irregular; born out of wedlock |