| Term | Definition |
| Polygamy | The practice of having two or more spouses at one time. |
| Polygyny | Having two or more wives at one time. |
| Polyandry | Having two or more husbands at one time. |
| Theocracy | Literally, rule by God; the term is often applied to a state where religious leaders exercise direct or indirect political authority. |
| Zealot | One who is carried away by a cause to an extreme or excessive degree. |
| Utopian | Referring to any place or plan that aims at an ideal social order. |
| Communistic | Referring to the theory or practice in which the means of production are owned by the community as a whole. |
| Communitarian | Referring to the belief in or practice of the superiority of community life or values over individual life, but not necessarily the common ownership of material goods. |
| Free Love | The principle or practice of sexual relations unrestricted by law, marriage, or religious constraints. |
| Eugenic | Concerning the improvement of the human species through selective breeding or genetic control. |
| Coitus Reservatus | The practice of sexual intercourse without the male's release of semen. |
| Classical | Concerning the culture of ancient Greece and Rome, or any artistic or cultural values presumed to be based on those enduring ancient principles. |
| Mystical | Referring to the belief in the direct apprehension of God or divine mystery, without reliance on reason or human comprehension. |
| Nonconformist | One who refuses to follow established or conventional ideas or habits. |
| Nonviolence | The principle of resolving or engaging in conflict without resort to physical force. |
| Urbane | Sophisticated, elegant, cosmopolitan. |
| Providential | Under the care and direction of God or other benevolent natural or supernatural forces. |