Definitions

Being a nerd, I used to read the dictionary for fun.
But at this time, it is important to understand a few key words that keep coming up.
So I got these definitions at Dictionary.com...

atheism-
1. the doctrine or belief that there is no God.
2. disbelief in the existence of a supreme being or beings.

agnosticism-
1. The doctrine that certainty about first principles or absolute truth is unattainable and that only perceptual phenomena are objects of exact knowledge.
2. The belief that there can be no proof either that God exists or that God does not exist.

theism-
n. Belief in the existence of a god or gods, especially belief in a personal God as creator and ruler of the world.

deism-
1. belief in the existence of a God on the evidence of reason and nature only, with rejection of supernatural revelation .
2. belief in a God who created the world but has since remained indifferent to it.
(huh-had no clue...)

Educational! Couple more:
religion-
1. a set of beliefs concerning the cause, nature, and purpose of the universe, esp. when considered as the creation of a superhuman agency or agencies, usually involving devotional and ritual observances, and often containing a moral code governing the conduct of human affairs.
2. a specific fundamental set of beliefs and practices generally agreed upon by a number of persons or sects: the Christian religion; the Buddhist religion.
3. the body of persons adhering to a particular set of beliefs and practices: a world council of religions.
4. the life or state of a monk, nun, etc.: to enter religion.
5. the practice of religious beliefs; ritual observance of faith.
6. something one believes in and follows devotedly; a point or matter of ethics or conscience: to make a religion of fighting prejudice.

God-
1. the one Supreme Being, the creator and ruler of the universe.
2. the Supreme Being considered with reference to a particular attribute: the God of Islam.
3. (lowercase) one of several deities, esp. a male deity, presiding over some portion of worldly affairs.
4. (often lowercase) a supreme being according to some particular conception: the god of mercy.
5. Christian Science. the Supreme Being, understood as Life, Truth, Love, Mind, Soul, Spirit, Principle.
6. (lowercase) an image of a deity; an idol.
7. (lowercase) any deified person or object.
8. (often lowercase) Gods, Theater.
a. the upper balcony in a theater.
b. the spectators in this part of the balcony.(who knew?!)

more definitions as I think of them...